| Name | Team | Position | Current Status |
| David Aardsma | Boston Red Sox | RHRP | 40-man |
| Reggie Abercrombie | Houston Astros | CF | 25-man |
| Bobby Abreu | New York Yankees | RF | 25-man |
| Winston Abreu | Chiba Lotte Marines | RHRP | Japan |
| Tony Abreu | Los Angeles Dodgers | 25-man | |
| Jeremy Accardo | Toronto Blue Jays | RHRP | 25-man |
| Jose Acevedo | Baltimore Orioles | RHRP | FA |
| Kelyn Acosta | San Francisco Giants | RHRP | MFA |
| Manny Acosta | Atlanta Braves | RHRP | 25-man |
| Russ Adams | Toronto Blue Jays | SS | 25-man |
| Mike Adams | San Diego Padres | RHRP | FA |
| Nick Adenhart | Los Angeles Angels of Anaheim | RHRP | Minors |
| Jon Adkins | Cincinnati Reds | RHRP | NRI |
| Jeremy Affeldt | Cincinnati Reds | LHSP | 40-man |
| Chris Aguila | Pittsburgh Pirates | RF | MFA |
| Jonathan Albaladejo | New York Yankees | 40-man | |
| Matt Albers | Baltimore Orioles | RHRP | 25-man |
| Ryan Aldridge | Los Angeles Angels of Anaheim | RHRP | MFA |
| Manny Alexander | Washington Nationals | 2B | MFA |
| Antonio Alfonseca | Philadelphia Phillies | RHRP | FA |
| Edgardo Alfonzo | Texas Rangers | 3B | NRI |
| Eliezer Alfonzo | San Francisco Giants | C | 25-man |
| Sandy Alomar Jr. | New York Mets | C | FA |
| Moises Alou | New York Mets | RF | 25-man |
| Abe Alvarez | Boston Red Sox | LHSP | Minors |
| Oscar Alvarez | Baltimore Orioles | LHSP | MFA |
| Mario Alvarez | Los Angeles Dodgers | 40-man | |
| Chip Ambres | San Diego Padres | Minors | |
| Alfredo Amezaga | Florida Marlins | SS | 25-man |
| Garret Anderson | Los Angeles Angels of Anaheim | LF | 25-man |
| Marlon Anderson | New York Mets | 2B | 40-man |
| Drew Anderson | Cincinnati Reds | LF | 40-man |
| Jason Anderson | Philadelphia Phillies | RHRP | NRI |
| Josh Anderson | Atlanta Braves | RF | 25-man |
| Brian Anderson | Tampa Bay Rays | NRI | |
| Robert Andino | Florida Marlins | SS | 25-man |
| Stephen Andrade | Tampa Bay Rays | RHRP | MFA |
| Rick Ankiel | St. Louis Cardinals | LF | 25-man |
| Norichika Aoki | Yakult Swallows | CF | Japan |
| Greg Aquino | Baltimore Orioles | RHRP | 25-man |
| Nagisa Arakaki | Fukuoka Softbank Hawks | RHSP | 25-man |
| Danny Ardoin | Los Angeles Dodgers | C | NRI |
| Josh Arhart | Tampa Bay Rays | C | Minors |
| Joaquin Arias | Texas Rangers | SS | 40-man |
| Alberto Arias | Colorado Rockies | MFA | |
| Tony Armas | New York Mets | RHSP | NRI |
| Cole Armstrong | Chicago White Sox | 40-man | |
| Jose Arredondo | Los Angeles Angels of Anaheim | RHRP | 40-man |
| Bronson Arroyo | Cincinnati Reds | RHSP | 25-man |
| Rick Asadoorian | Los Angeles Dodgers | NRI | |
| Jose Ascanio | Chicago Cubs | RHRP | 25-man |
| Miguel Asencio | Houston Astros | RHRP | MFA |
| Ezequiel Astacio | Texas Rangers | RHSP | MFA |
| Pedro Astacio | Washington Nationals | RHSP | MFA |
| Olivo Astacio | Pittsburgh Pirates | 40-man | |
| Scott Atchison | Hanshin Tigers | Japan | |
| Garrett Atkins | Colorado Rockies | 3B | 25-man |
| Michael Aubrey | Cleveland Indians | 1B | 40-man |
| Rich Aurilia | San Francisco Giants | 3B | 25-man |
| Brad Ausmus | Houston Astros | C | 25-man |
| David Austen | Los Angeles Angels of Anaheim | RHRP | Minors |
| Erik Averill | Detroit Tigers | LHSP | Minors |
| Luis Ayala | Washington Nationals | RHSP | 25-man |
| Erick Aybar | Los Angeles Angels of Anaheim | SS | 25-man |
| Willy Aybar | Tampa Bay Rays | 3B | 25-man |
| Brandon Backe | Houston Astros | RHSP | 25-man |
| Mike Bacsik | Washington Nationals | LHSP | NRI |
| Cha Seung Baek | Seattle Mariners | RHSP | 25-man |
| Danys Baez | Baltimore Orioles | RHRP | 25-man |
| Jeff Bagwell | Houston Astros | 1B | Retired |
| Homer Bailey | Cincinnati Reds | 25-man | |
| Jeff Bailey | Boston Red Sox | NRI | |
| Jeff Bajenaru | Arizona Diamondbacks | RHRP | MFA |
| Scott Baker | Minnesota Twins | RHSP | 25-man |
| Jeff Baker | Colorado Rockies | 3B | 25-man |
| John Baker | Florida Marlins | C | Minors |
| Paul Bako | Cincinnati Reds | C | NRI |
| Rocco Baldelli | Tampa Bay Rays | RF | 40-man |
| John Bale | Kansas City Royals | LHRP | 25-man |
| Wladimir Balentien | Seattle Mariners | 25-man | |
| Grant Balfour | Tampa Bay Rays | RHRP | 25-man |
| Josh Banks | Toronto Blue Jays | 25-man | |
| Wes Bankston | Oakland Athletics | 1B | DFA |
| Brian Bannister | Kansas City Royals | RHSP | 25-man |
| Rod Barajas | Toronto Blue Jays | C | 40-man |
| Josh Bard | San Diego Padres | C | 25-man |
| Brian Barden | St. Louis Cardinals | 3B | 25-man |
| Josh Barfield | Cleveland Indians | 2B | 25-man |
| Kevin Barker | Toronto Blue Jays | 1B | MFA |
| Sean Barker | Colorado Rockies | NRI | |
| Clint Barmes | Colorado Rockies | SS | 25-man |
| Chris Barnwell | Milwaukee Brewers | SS | MFA |
| Daniel Barone | Florida Marlins | 25-man | |
| Michael Barrett | San Diego Padres | C | 40-man |
| Ricky Barrett | Minnesota Twins | LHRP | Minors |
| Kevin Barry | Atlanta Braves | RHRP | MFA |
| Jimmy Barthmaier | Pittsburgh Pirates | RHRP | 40-man |
| Jason Bartlett | Tampa Bay Rays | SS | 25-man |
| Daric Barton | Oakland Athletics | 1B | 25-man |
| Brian Barton | St. Louis Cardinals | 40-man | |
| Philip Barzilla | Houston Astros | LHSP | MFA |
| Chris Basak | Minnesota Twins | Minors | |
| Adam Bass | San Diego Padres | Minors | |
| Brian Bass | Minnesota Twins | 40-man | |
| Miguel Batista | Seattle Mariners | RHSP | 25-man |
| Tony Batista | Washington Nationals | 3B | MFA |
| Rick Bauer | Cleveland Indians | RHRP | NRI |
| Jose Bautista | Pittsburgh Pirates | 3B | 25-man |
| Denny Bautista | Detroit Tigers | RHSP | 25-man |
| Jason Bay | Pittsburgh Pirates | LF | 25-man |
| Jonah Bayliss | Pittsburgh Pirates | RHRP | 40-man |
| Yorman Bazardo | Detroit Tigers | RHRP | 25-man |
| T.J. Beam | Pittsburgh Pirates | RHRP | NRI |
| Colter Bean | New York Yankees | RHRP | MFA |
| Josh Beckett | Boston Red Sox | RHSP | 25-man |
| Erik Bedard | Seattle Mariners | LHSP | 40-man |
| Joe Beimel | Los Angeles Dodgers | LHRP | 25-man |
| Ronald Belasario | Pittsburgh Pirates | 40-man | |
| Matt Belisle | Cincinnati Reds | RHRP | 25-man |
| David Bell | Milwaukee Brewers | 3B | FA |
| Heath Bell | San Diego Padres | RHRP | 25-man |
| Rob Bell | Washington Nationals | NRI | |
| Mark Bellhorn | Cincinnati Reds | 3B | MFA |
| Ronnie Belliard | Washington Nationals | 2B | 25-man |
| Edwin Bellorin | Colorado Rockies | 25-man | |
| Carlos Beltran | New York Mets | CF | 25-man |
| Adrian Beltre | Seattle Mariners | 3B | 25-man |
| Omar Beltre | Texas Rangers | RHRP | 40-man |
| Armando Benitez | Florida Marlins | CL | NRI |
| Gary Bennett | Los Angeles Dodgers | C | 40-man |
| Jeff Bennett | Atlanta Braves | 25-man | |
| Joaquin Benoit | Texas Rangers | RHRP | 25-man |
| Kris Benson | Philadelphia Phillies | RHSP | NRI |
| Jason Bergmann | Washington Nationals | RHRP | 25-man |
| William Bergolla | Washington Nationals | 2B | NRI |
| Lance Berkman | Houston Astros | 1B | 25-man |
| Roger Bernadina | Washington Nationals | 40-man | |
| Adam Bernero | Pittsburgh Pirates | RHSP | NRI |
| Angel Berroa | Kansas City Royals | SS | Minors |
| Rafael Betancourt | Cleveland Indians | RHRP | 25-man |
| Yuniesky Betancourt | Seattle Mariners | SS | 25-man |
| Wilson Betemit | New York Yankees | 3B | 25-man |
| Randor Bierd | Baltimore Orioles | 40-man | |
| Larry Bigbie | Yokohama BayStars | LF | Japan |
| Craig Biggio | Houston Astros | 2B | Retired |
| Chad Billingsley | Los Angeles Dodgers | RHRP | 25-man |
| Kurt Birkins | Tampa Bay Rays | LHRP | 25-man |
| Joe Bisenius | Philadelphia Phillies | RHRP | 40-man |
| Tim Bittner | Chicago White Sox | LHRP | MFA |
| Brian Bixler | Pittsburgh Pirates | 40-man | |
| Nick Blackburn | Minnesota Twins | 25-man | |
| Travis Blackley | Philadelphia Phillies | LHRP | 40-man |
| Casey Blake | Cleveland Indians | RF | 25-man |
| Hank Blalock | Texas Rangers | 3B | 25-man |
| Henry Blanco | Chicago Cubs | C | 25-man |
| Andres Blanco | Chicago Cubs | SS | Minors |
| Gregor Blanco | Atlanta Braves | CF | 40-man |
| Nate Bland | Los Angeles Angels of Anaheim | LHRP | MFA |
| Joe Blanton | Oakland Athletics | RHSP | 25-man |
| Jerry Blevins | Oakland Athletics | 25-man | |
| Willie Bloomquist | Seattle Mariners | SS | 25-man |
| Geoff Blum | Houston Astros | 3B | 40-man |
| Hiram Bocachica | Seibu Lions | CF | Japan |
| Brandon Boggs | Texas Rangers | 40-man | |
| T.J. Bohn | Philadelphia Phillies | LF | 25-man |
| Jeremy Bonderman | Detroit Tigers | RHSP | 25-man |
| Barry Bonds | San Francisco Giants | LF | FA |
| Emilio Bonifacio | Arizona Diamondbacks | 2B | 25-man |
| Boof Bonser | Minnesota Twins | RHSP | 25-man |
| Chris Booker | Washington Nationals | RHRP | MFA |
| Aaron Boone | Washington Nationals | 3B | 40-man |
| Bret Boone | Washington Nationals | NRI | |
| Chris Bootcheck | Los Angeles Angels of Anaheim | RHRP | 25-man |
| Julio Borbon | Texas Rangers | CF | 40-man |
| Joe Borchard | Atlanta Braves | RF | NRI |
| Dave Borkowski | Houston Astros | RHRP | 25-man |
| Joe Borowski | Cleveland Indians | RHRP | 25-man |
| Jean Boscan | Atlanta Braves | NRI | |
| Adam Bostick | Florida Marlins | LHRP | 40-man |
| Jason Botts | Texas Rangers | 1B | 25-man |
| Michael Bourn | Houston Astros | RF | 25-man |
| Rob Bowen | Oakland Athletics | C | 25-man |
| Micah Bowie | Colorado Rockies | LHRP | NRI |
| John Bowker | San Francisco Giants | 40-man | |
| Blaine Boyer | Atlanta Braves | RHRP | 40-man |
| Tagg Bozied | St. Louis Cardinals | MFA | |
| Andrew Brackman | New York Yankees | RHRP | 40-man |
| Dallas Braden | Oakland Athletics | LHRP | 25-man |
| Chad Bradford | Baltimore Orioles | RHRP | 25-man |
| Milton Bradley | Texas Rangers | RF | 40-man |
| Russell Branyan | Milwaukee Brewers | 3B | Minors |
| Ryan Braun | Kansas City Royals | RHRP | 25-man |
| Ryan Braun | Milwaukee Brewers | 3B | 25-man |
| Bill Bray | Cincinnati Reds | RHRP | 25-man |
| Stephen Bray | Milwaukee Brewers | NRI | |
| Craig Brazell | Seibu Lions | Japan | |
| Dewon Brazelton | St. Louis Cardinals | Minors | |
| Yhency Brazoban | Los Angeles Dodgers | RHRP | 40-man |
| Craig Breslow | Boston Red Sox | LHRP | 40-man |
| Reid Brignac | Tampa Bay Rays | 1B | Minors |
| Eude Brito | Washington Nationals | LHRP | NRI |
| Juan Brito | Washington Nationals | C | MFA |
| Javier Brito | Arizona Diamondbacks | 40-man | |
| Chris Britton | New York Yankees | RHRP | 25-man |
| Lance Broadway | Chicago White Sox | 25-man | |
| Doug Brocail | Houston Astros | RHRP | 40-man |
| Ben Broussard | Texas Rangers | 1B | 40-man |
| Jim Brower | Cincinnati Reds | RHRP | NRI |
| Jeremy Brown | Oakland Athletics | C | Retired |
| Adrian Brown | Texas Rangers | CF | FA |
| Emil Brown | Oakland Athletics | LF | 40-man |
| Andrew Brown | Oakland Athletics | RHSP | 25-man |
| Matt Brown | Los Angeles Angels of Anaheim | 3B | 40-man |
| Dee Brown | Los Angeles Angels of Anaheim | NRI | |
| Dusty Brown | Boston Red Sox | 40-man | |
| Bobby Brownlie | Washington Nationals | NRI | |
| Jonathan Broxton | Los Angeles Dodgers | RHRP | 25-man |
| Jay Bruce | Cincinnati Reds | NRI | |
| Brian Bruney | New York Yankees | RHRP | 25-man |
| Eric Bruntlett | Philadelphia Phillies | 2B | 25-man |
| Brian Buchanan | Kansas City Royals | LF | NRI |
| Taylor Buchholz | Colorado Rockies | rhsp | 25-man |
| Clay Buchholz | Boston Red Sox | 25-man | |
| John Buck | Kansas City Royals | C | 25-man |
| Travis Buck | Oakland Athletics | CF | 40-man |
| Billy Buckner | Arizona Diamondbacks | 25-man | |
| Ryan Budde | Los Angeles Angels of Anaheim | C | 25-man |
| Mark Buehrle | Chicago White Sox | LHSP | 25-man |
| Ryan Bukvich | Baltimore Orioles | NRI | |
| Jason Bulger | Los Angeles Angels of Anaheim | RHRP | 25-man |
| Bryan Bullington | Pittsburgh Pirates | RHSP | 25-man |
| Ambiorix Burgos | New York Mets | RHRP | 25-man |
| Chris Burke | Arizona Diamondbacks | 2B | 25-man |
| Jamie Burke | Seattle Mariners | C | 25-man |
| A.J. Burnett | Toronto Blue Jays | RHSP | 25-man |
| Sean Burnett | Pittsburgh Pirates | NRI | |
| Jeromy Burnitz | Pittsburgh Pirates | RF | Retired |
| Mike Burns | Boston Red Sox | RHRP | MFA |
| Adrian Burnside | Yomiuri Giants | Japan | |
| Pat Burrell | Philadelphia Phillies | LF | 25-man |
| Brian Burres | Baltimore Orioles | RHRP | 25-man |
| Jared Burton | Cincinnati Reds | RHSP | 25-man |
| Brian Buscher | Minnesota Twins | 25-man | |
| Dave Bush | Milwaukee Brewers | RHSP | 25-man |
| Billy Butler | Kansas City Royals | 25-man | |
| Freddie Bynum | Baltimore Orioles | RF | 25-man |
| Marlon Byrd | Texas Rangers | CF | 25-man |
| Paul Byrd | Cleveland Indians | RHSP | 25-man |
| Tim Byrdak | Detroit Tigers | LHRP | 25-man |
| Eric Byrnes | Arizona Diamondbacks | CF | 25-man |
| Orlando Cabrera | Chicago White Sox | SS | 25-man |
| Fernando Cabrera | Baltimore Orioles | RHRP | 25-man |
| Miguel Cabrera | Detroit Tigers | 3B | 25-man |
| Daniel Cabrera | Baltimore Orioles | RHSP | 25-man |
| Melky Cabrera | New York Yankees | RF | 25-man |
| Asdrubal Cabrera | Cleveland Indians | 25-man | |
| Jolbert Cabrera | Colorado Rockies | 2B | MFA |
| Alex Cabrera | Orix Buffaloes | Japan | |
| Matt Cain | San Francisco Giants | RHSP | 25-man |
| Miguel Cairo | Seattle Mariners | 2B | 40-man |
| Kiko Calero | Oakland Athletics | RHRP | 40-man |
| Carmen Cali | Minnesota Twins | LHRP | 25-man |
| Alberto Callaspo | Kansas City Royals | 2B | 25-man |
| Armando Camacaro | Cleveland Indians | NRI | |
| Mike Cameron | Milwaukee Brewers | CF | 40-man |
| Kevin Cameron | San Diego Padres | RHRP | 25-man |
| Shawn Camp | Toronto Blue Jays | RHRP | NRI |
| Brett Campbell | Washington Nationals | RHRP | 40-man |
| Jorge Campillo | Atlanta Braves | RHRP | NRI |
| Ed Campusano | Chicago Cubs | LHRP | Minors |
| Andy Cannizaro | Tampa Bay Rays | SS | NRI |
| Robinson Cano | New York Yankees | 2B | 25-man |
| Jorge Cantu | Florida Marlins | 2B | 40-man |
| Jose Capellan | Colorado Rockies | RHRP | 25-man |
| Jose Capellan | Cincinnati Reds | 40-man | |
| Matt Capps | Pittsburgh Pirates | RHRP | 25-man |
| Chris Capuano | Milwaukee Brewers | LHSP | 25-man |
| Buddy Carlyle | Atlanta Braves | RHRP | 25-man |
| Fausto Carmona | Cleveland Indians | RHSP | 25-man |
| Chris Carpenter | St. Louis Cardinals | RHSP | 25-man |
| Giovanni Carrara | Los Angeles Dodgers | RHRP | MFA |
| Hector Carrasco | Washington Nationals | RHRP | FA |
| Jamey Carroll | Colorado Rockies | 2B | 25-man |
| Brett Carroll | Florida Marlins | 25-man | |
| Lance Carter | Toronto Blue Jays | RHRP | NRI |
| Chris Carter | Boston Red Sox | 40-man | |
| Chris Carter | Oakland Athletics | 40-man | |
| Marcos Carvajal | Florida Marlins | RHRP | NRI |
| Raul Casanova | New York Mets | C | NRI |
| Sean Casey | Boston Red Sox | 1B | 40-man |
| Kevin Cash | Boston Red Sox | NRI | |
| Santiago Casilla | Oakland Athletics | RHRP | 25-man |
| Alexi Casilla | Minnesota Twins | 2B | 25-man |
| Jack Cassel | Houston Astros | 40-man | |
| Scott Cassidy | Milwaukee Brewers | RHRP | NRI |
| Hugo Castellanos | St. Louis Cardinals | NRI | |
| Vinny Castilla | Colorado Rockies | 3B | Retired |
| Jose Castillo | Florida Marlins | 2B | 40-man |
| Luis Castillo | New York Mets | 2B | 40-man |
| Alberto Castillo | Houston Astros | C | NRI |
| Wilkin Castillo | Arizona Diamondbacks | 40-man | |
| Kory Casto | Washington Nationals | 3B | 25-man |
| Ramon Castro | New York Mets | C | 40-man |
| Fabio Castro | Philadelphia Phillies | LHRP | 25-man |
| Juan Castro | Cincinnati Reds | SS | 40-man |
| Bernie Castro | New York Yankees | 2B | NRI |
| Frank Catalanotto | Texas Rangers | LF | 25-man |
| Troy Cate | Oakland Athletics | LHRP | NRI |
| Andy Cavazos | New York Mets | NRI | |
| Ronny Cedeno | Chicago Cubs | SS | 25-man |
| Roger Cedeno | Baltimore Orioles | RF | FA |
| Francisco Cervelli | New York Yankees | 40-man | |
| Michael Cervenak | Baltimore Orioles | 3B | MFA |
| Gustavo Chacin | Toronto Blue Jays | LHSP | 25-man |
| Shawn Chacon | Houston Astros | RHSP | 40-man |
| Joba Chamberlain | New York Yankees | 25-man | |
| Eric Chavez | Oakland Athletics | 3B | 40-man |
| Endy Chavez | New York Mets | CF | 40-man |
| Raul Chavez | Pittsburgh Pirates | C | Minors |
| Ozzie Chavez | Milwaukee Brewers | SS | Minors |
| Angel Chavez | Los Angeles Dodgers | NRI | |
| Bruce Chen | Texas Rangers | LHSP | MFA |
| Yung Chi Chen | Seattle Mariners | 40-man | |
| Rocky Cherry | Baltimore Orioles | RHRP | 25-man |
| Travis Chick | Seattle Mariners | RHRP | Minors |
| Matt Chico | Washington Nationals | LHSP | 25-man |
| Jason Childers | Tampa Bay Rays | RHRP | MFA |
| Randy Choate | Milwaukee Brewers | LHRP | 40-man |
| Hee-Seop Choi | Kia Tigers | 1B | Korea |
| Shin-Soo Choo | Cleveland Indians | CF | 40-man |
| Danny Christensen | Detroit Tigers | LHSP | Minors |
| Ryan Christianson | St. Louis Cardinals | C | MFA |
| Vinnie Chulk | San Francisco Giants | RHRP | 40-man |
| Ryan Church | New York Mets | CF | 25-man |
| Alex Cintron | Chicago Cubs | SS | NRI |
| Jeff Cirillo | Arizona Diamondbacks | 3B | FA |
| Tony Clark | San Diego Padres | 1B | 40-man |
| Brady Clark | New York Mets | CF | NRI |
| Howie Clark | Toronto Blue Jays | 1B | MFA |
| Doug Clark | Hanwha Eagles | LF | Korea |
| Darren Clarke | Colorado Rockies | RHRP | NRI |
| Brandon Claussen | Washington Nationals | LHSP | MFA |
| Royce Clayton | Boston Red Sox | SS | FA |
| Roger Clemens | New York Yankees | RHSP | FA |
| Matt Clement | St. Louis Cardinals | RHSP | 40-man |
| Jeff Clement | Seattle Mariners | 25-man | |
| Brent Clevlen | Detroit Tigers | 25-man | |
| Tyler Clippard | Washington Nationals | 25-man | |
| J.D. Closser | Chicago Cubs | C | NRI |
| Buck Coats | Toronto Blue Jays | CF | 40-man |
| Todd Coffey | Cincinnati Reds | RHRP | 25-man |
| Alvin Colina | Cincinnati Reds | C | NRI |
| Willie Collazo | New York Mets | 25-man | |
| Mike Collins | Los Angeles Angels of Anaheim | C | NRI |
| Jesus Colome | Washington Nationals | RHRP | 25-man |
| Bartolo Colon | Boston Red Sox | RHSP | NRI |
| Roman Colon | Kansas City Royals | RHRP | NRI |
| Tyler Colvin | Chicago Cubs | CF | Minors |
| Steve Colyer | Atlanta Braves | LHRP | FA |
| Clay Condrey | Philadelphia Phillies | RHSP | 25-man |
| Jeff Conine | New York Mets | 1B | Retired |
| Brooks Conrad | Oakland Athletics | 2B | NRI |
| Jose Contreras | Chicago White Sox | RHSP | 25-man |
| Aaron Cook | Colorado Rockies | RHSP | 25-man |
| Alex Cora | Boston Red Sox | SS | 25-man |
| Tim Corcoran | Tampa Bay Rays | RHRP | MFA |
| Roy Corcoran | Seattle Mariners | RHRP | Minors |
| Chad Cordero | Washington Nationals | CL | 25-man |
| Francisco Cordero | Cincinnati Reds | RHRP | 40-man |
| Bryan Corey | Boston Red Sox | RHRP | 25-man |
| Lance Cormier | Baltimore Orioles | RHRP | NRI |
| Rheal Cormier | Atlanta Braves | LHRP | FA |
| Manuel Corpas | Colorado Rockies | RHRP | 25-man |
| Nestor Corredor | Milwaukee Brewers | C | Minors |
| Kevin Correia | San Francisco Giants | RHRP | 25-man |
| David Cortes | San Francisco Giants | RHRP | On loan to Mexican League |
| Fernando Cortez | Kansas City Royals | 2B | MFA |
| Rob Cosby | Toronto Blue Jays | 3B | MFA |
| Shane Costa | Kansas City Royals | CF | 25-man |
| Chris Coste | Philadelphia Phillies | 3B | 25-man |
| Humberto Cota | Washington Nationals | C | NRI |
| Neal Cotts | Chicago Cubs | LHRP | 40-man |
| Craig Counsell | Milwaukee Brewers | SS | 25-man |
| Jon Coutlangus | Cincinnati Reds | LHRP | 25-man |
| Callix Crabbe | San Diego Padres | 40-man | |
| Tim Crabtree | Detroit Tigers | RHRP | MFA |
| Jesse Crain | Minnesota Twins | RHRP | 40-man |
| Carl Crawford | Tampa Bay Rays | LF | 25-man |
| Tristan Crawford | Washington Nationals | NRI | |
| Joe Crede | Chicago White Sox | 3B | 40-man |
| Cesar Crespo | Baltimore Orioles | SS | MFA |
| Jack Cressend | Tampa Bay Rays | RHRP | MFA |
| Coco Crisp | Boston Red Sox | CF | 25-man |
| Bobby Crosby | Oakland Athletics | SS | 40-man |
| Bubba Crosby | Seattle Mariners | CF | Minors |
| Francisco Cruceta | Detroit Tigers | RHRP | 40-man |
| Juan Cruz | Arizona Diamondbacks | RHRP | 25-man |
| Jacob Cruz | Samsung Lions | RF | Korea |
| Nelson Cruz | Texas Rangers | RF | 25-man |
| Luis Cruz | Pittsburgh Pirates | SS | NRI |
| Jose Cruz Jr. | Houston Astros | LF | NRI |
| Michael Cuddyer | Minnesota Twins | RF | 25-man |
| Johnny Cueto | Cincinnati Reds | NRI | |
| Jario Cuevas | Atlanta Braves | 40-man | |
| Jack Cust | Oakland Athletics | LF | 25-man |
| Eric Cyr | Texas Rangers | NRI | |
| Casey Daigle | Minnesota Twins | RHRP | NRI |
| Johnny Damon | New York Yankees | CF | 25-man |
| John Danks | Chicago White Sox | LHSP | 25-man |
| Vic Darensbourg | Philadelphia Phillies | LHRP | NRI |
| Yu Darvish | Hokkaido Nippon Ham Fighters | RHSP | Japan |
| Jeff DaVanon | San Diego Padres | CF | NRI |
| Dan Davidson | Los Angeles Angels of Anaheim | LHSP | Minors |
| David Davidson | Pittsburgh Pirates | LHRP | 25-man |
| Kevin Davidson | Houston Astros | C | Minors |
| Kyle Davies | Kansas City Royals | RHSP | 25-man |
| Doug Davis | Arizona Diamondbacks | LHSP | 25-man |
| Jason Davis | Texas Rangers | RHRP | NRI |
| Rajai Davis | San Francisco Giants | CF | 25-man |
| Kane Davis | Philadelphia Phillies | MFA | |
| Zach Day | Kansas City Royals | RHSP | MFA |
| Dewon Day | Chicago White Sox | RHRP | 40-man |
| Alejandro De Aza | Florida Marlins | CF | 25-man |
| Jordan De Jong | Toronto Blue Jays | MFA | |
| Eulogio De La Cruz | Florida Marlins | RHRP | 40-man |
| Jorge De La Rosa | Kansas City Royals | LHRP | 25-man |
| Nick Debarr | Tampa Bay Rays | RHRP | Minors |
| Yurendell DeCaster | Washington Nationals | 2B | NRI |
| Mike DeJean | Colorado Rockies | RHRP | MFA |
| David DeJesus | Kansas City Royals | CF | 25-man |
| Brent Del Chiaro | Los Angeles Angels of Anaheim | C | Minors |
| Manny Delcarmen | Boston Red Sox | RHRP | 25-man |
| Carlos Delgado | New York Mets | 1B | 25-man |
| Jesus Delgado | Florida Marlins | RHRP | 40-man |
| David Dellucci | Cleveland Indians | LF | 25-man |
| Chris Demaria | Milwaukee Brewers | RHRP | Minors |
| Ryan Dempster | Chicago Cubs | RHRP | 25-man |
| Travis Denker | San Francisco Giants | 40-man | |
| Chris Denorfia | Oakland Athletics | CF | 40-man |
| Julio DePaula | Minnesota Twins | RHRP | 25-man |
| Jorge DePaula | Colorado Rockies | RHSP | Minors |
| Mark DeRosa | Chicago Cubs | 2B | 25-man |
| Matt DeSalvo | New York Yankees | RHRP | FA |
| Fernando Desgue | Los Angeles Dodgers | NRI | |
| Elmer Dessens | Pittsburgh Pirates | RHRP | NRI |
| Ross Detwiler | Washington Nationals | 40-man | |
| Joey Devine | Oakland Athletics | RHRP | 25-man |
| Fredy Deza | Baltimore Orioles | 40-man | |
| Thomas Diamond | Texas Rangers | 40-man | |
| Matt Diaz | Atlanta Braves | LF | 25-man |
| Einar Diaz | Pittsburgh Pirates | C | MFA |
| Joselo Diaz | New York Mets | RHRP | Minors |
| Robinson Diaz | Toronto Blue Jays | C | 40-man |
| Felix Diaz | Boston Red Sox | RHRP | MFA |
| Victor Diaz | Texas Rangers | RF | FA |
| Argenis Diaz | Boston Red Sox | 40-man | |
| Chris Dickerson | Cincinnati Reds | CF | 40-man |
| R.A. Dickey | Seattle Mariners | RHSP | 40-man |
| Mike DiFelice | Tampa Bay Rays | C | NRI |
| Tim Dillard | Milwaukee Brewers | RHRP | 40-man |
| Joe Dillon | Milwaukee Brewers | 3B | 25-man |
| Lenny DiNardo | Oakland Athletics | LHRP | 25-man |
| Craig Dingman | Detroit Tigers | RHRP | FA |
| Jake Dittler | Texas Rangers | NRI | |
| Greg Dobbs | Philadelphia Phillies | 1B | 25-man |
| Scott Dohmann | Tampa Bay Rays | RHRP | 25-man |
| Adam Donachie | Kansas City Royals | C | Minors |
| Brendan Donnelly | Cleveland Indians | RHRP | NRI |
| Brian Dopirak | Chicago Cubs | Minors | |
| Melvin Dorta | Washington Nationals | 1B | MFA |
| Octavio Dotel | Chicago White Sox | RHRP | 40-man |
| Hayato Doue | Boston Red Sox | NRI | |
| Ryan Doumit | Pittsburgh Pirates | C | 25-man |
| Dennis Dove | St. Louis Cardinals | RHRP | Minors |
| Scott Downs | Toronto Blue Jays | LHSP | 25-man |
| Cory Doyne | Baltimore Orioles | RHRP | Minors |
| Ryan Drese | Atlanta Braves | RHSP | MFA |
| Stephen Drew | Arizona Diamondbacks | SS | 25-man |
| J.D. Drew | Boston Red Sox | RF | 25-man |
| Travis Driskill | Houston Astros | RHRP | MFA |
| Jason Dubois | Washington Nationals | RF | NRI |
| Justin Duchscherer | Oakland Athletics | RHRP | 40-man |
| Brandon Duckworth | Kansas City Royals | RHSP | NRI |
| Tim Duff | Los Angeles Angels of Anaheim | C | Minors |
| Chris Duffy | Pittsburgh Pirates | CF | 40-man |
| Zach Duke | Pittsburgh Pirates | LHSP | 25-man |
| Elijah Dukes | Washington Nationals | CF | 40-man |
| Phil Dumatrait | Pittsburgh Pirates | 25-man | |
| Chris Duncan | St. Louis Cardinals | 1B | 25-man |
| Jeff Duncan | Toronto Blue Jays | CF | Minors |
| Shelley Duncan | New York Yankees | 25-man | |
| Scott Dunn | Oakland Athletics | RHRP | FA |
| Adam Dunn | Cincinnati Reds | LF | 25-man |
| Erubiel Durazo | New York Yankees | 1B | MFA |
| Chad Durbin | Philadelphia Phillies | RHSP | 40-man |
| J.D. Durbin | Philadelphia Phillies | RHRP | 25-man |
| Ray Durham | San Francisco Giants | 2B | 25-man |
| Jermaine Dye | Chicago White Sox | RF | 25-man |
| Ramon E. Martinez | Los Angeles Dodgers | SS | NRI |
| Damion Easley | New York Mets | 2B | 40-man |
| Adam Eaton | Philadelphia Phillies | RHSP | 25-man |
| David Eckstein | Toronto Blue Jays | SS | 40-man |
| Jim Ed Warden | Washington Nationals | RHRP | NRI |
| Jim Edmonds | San Diego Padres | CF | 25-man |
| Mike Edwards | Pittsburgh Pirates | 3B | MFA |
| Jack Egbert | Chicago White Sox | 40-man | |
| Joey Eischen | Detroit Tigers | LHRP | FA |
| Scott Elarton | Cleveland Indians | RHSP | NRI |
| Brad Eldred | Chicago White Sox | NRI | |
| Mark Ellis | Oakland Athletics | 2B | 25-man |
| Jason Ellison | Cincinnati Reds | CF | MFA |
| Jacoby Ellsbury | Boston Red Sox | 25-man | |
| Alan Embree | Oakland Athletics | LHRP | 25-man |
| Juan Encarnacion | St. Louis Cardinals | RF | 40-man |
| Edwin Encarnacion | Cincinnati Reds | 3B | 25-man |
| John Ennis | Philadelphia Phillies | DFA | |
| Morgan Ensberg | New York Yankees | 3B | NRI |
| Scott Erickson | New York Yankees | RHSP | FA |
| Darin Erstad | Houston Astros | CF | 40-man |
| Kelvim Escobar | Los Angeles Angels of Anaheim | RHSP | 25-man |
| Alex Escobar | Washington Nationals | CF | NRI |
| Yunel Escobar | Atlanta Braves | SS | 25-man |
| Alcides Escobar | Milwaukee Brewers | 40-man | |
| Damon Espino | Kansas City Royals | NRI | |
| Brian Esposito | St. Louis Cardinals | C | MFA |
| Shawn Estes | San Diego Padres | LHSP | NRI |
| Johnny Estrada | Washington Nationals | C | 40-man |
| Paul Estrada | Houston Astros | RHSP | 40-man |
| Seth Etherton | Kansas City Royals | RHSP | MFA |
| Andre Ethier | Los Angeles Dodgers | CF | 25-man |
| Terry Evans | Los Angeles Angels of Anaheim | CF | 25-man |
| Dana Eveland | Oakland Athletics | LHRP | 25-man |
| Adam Everett | Minnesota Twins | SS | 40-man |
| Carl Everett | Seattle Mariners | DH | FA |
| Mike Eylward | Los Angeles Angels of Anaheim | 3B | MFA |
| Scott Eyre | Chicago Cubs | LHRP | 25-man |
| Willie Eyre | Texas Rangers | RHRP | MFA |
| Brandon Fahey | Baltimore Orioles | SS | 25-man |
| Vince Faison | Oakland Athletics | CF | MFA |
| Brian Falkenborg | Los Angeles Dodgers | RHRP | NRI |
| Kyle Farnsworth | New York Yankees | RHRP | 25-man |
| Sal Fasano | Toronto Blue Jays | C | NRI |
| Jeff Fassero | San Francisco Giants | Retired | |
| Ryan Feierabend | Seattle Mariners | LHSP | 25-man |
| Derek Feldkamp | Tampa Bay Rays | RHSP | Minors |
| Scott Feldman | Texas Rangers | RHRP | 25-man |
| Pedro Feliciano | New York Mets | LHRP | 25-man |
| Pedro Feliz | Philadelphia Phillies | 3B | 40-man |
| Jared Fernandez | Hiroshima Carp | RHRP | FA |
| Robert Fick | San Diego Padres | C | NRI |
| Nate Field | New York Mets | RHRP | NRI |
| Prince Fielder | Milwaukee Brewers | 1B | 25-man |
| Josh Fields | Chicago White Sox | 3B | 25-man |
| Chone Figgins | Los Angeles Angels of Anaheim | CF | 25-man |
| Luis Figueroa | San Francisco Giants | 2B | MFA |
| Steve Finley | Colorado Rockies | CF | FA |
| Jeff Fiorentino | Oakland Athletics | CF | 40-man |
| Ron Flores | St. Louis Cardinals | LHRP | NRI |
| Randy Flores | St. Louis Cardinals | LHRP | 25-man |
| Jesus Flores | Washington Nationals | C | 25-man |
| Adalberto Flores | Texas Rangers | NRI | |
| Cliff Floyd | Tampa Bay Rays | LF | 40-man |
| Gavin Floyd | Chicago White Sox | RHSP | 25-man |
| Josh Fogg | Cincinnati Reds | RHSP | 40-man |
| Mike Fontenot | Chicago Cubs | 25-man | |
| Lew Ford | Hanshin Tigers | RF | Japan |
| Bartolome Fortunato | New York Mets | RHRP | FA |
| Casey Fossum | San Diego Padres | LHSP | MFA |
| John Foster | Atlanta Braves | LHRP | FA |
| Keith Foulke | Oakland Athletics | RHRP | 40-man |
| Jake Fox | Chicago Cubs | C | 25-man |
| Jeff Francis | Colorado Rockies | LHSP | 25-man |
| Frank Francisco | Texas Rangers | RHRP | 25-man |
| Ben Francisco | Cleveland Indians | CF | 25-man |
| Julio Franco | Atlanta Braves | 1B | FA |
| Iker Franco | Atlanta Braves | C | MFA |
| Jeff Francoeur | Atlanta Braves | RF | 25-man |
| Kevin Frandsen | San Francisco Giants | 2B | 25-man |
| Wayne Franklin | Kansas City Royals | LHRP | MFA |
| Ryan Franklin | St. Louis Cardinals | RHRP | 25-man |
| Jason Frasor | Toronto Blue Jays | RHRP | 25-man |
| Ryan Freel | Cincinnati Reds | CF | 40-man |
| Choo Freeman | Los Angeles Dodgers | CF | Minors |
| Ernesto Frieri | San Diego Padres | 40-man | |
| Emiliano Fruto | Arizona Diamondbacks | RHRP | 40-man |
| Brian Fuentes | Colorado Rockies | CL | 25-man |
| Kyuji Fujikawa | Hanshin Tigers | RHSP | Japan |
| Kosuke Fukudome | Chicago Cubs | RF | 40-man |
| Kaz Fukumori | Texas Rangers | RHRP | 40-man |
| Kazuya Fukuura | Chiba Lotte Marines | LHRP | Japan |
| Jeff Fulchino | Florida Marlins | RHRP | MFA |
| Sam Fuld | Chicago Cubs | 25-man | |
| Aaron Fultz | Cleveland Indians | LHRP | 25-man |
| Rafael Furcal | Los Angeles Dodgers | SS | 25-man |
| J.J. Furmaniak | Yokohama BayStars | SS | Japan |
| Kason Gabbard | Texas Rangers | LHSP | 25-man |
| Eric Gagne | Milwaukee Brewers | CL | 40-man |
| Armando Galarraga | Detroit Tigers | RHRP | 40-man |
| John Gall | Florida Marlins | LF | NRI |
| Sean Gallagher | Chicago Cubs | RHRP | 25-man |
| Yovani Gallardo | Milwaukee Brewers | RHRP | 25-man |
| Mike Gallo | Colorado Rockies | LHRP | MFA |
| Anderson Garcia | Seattle Mariners | RHRP | 40-man |
| Freddy Garcia | Philadelphia Phillies | RHSP | FA |
| Jose Garcia | Oakland Athletics | RHRP | FA |
| Harvey Garcia | Florida Marlins | RHRP | 25-man |
| Karim Garcia | Lotte Giants | Korea | |
| Angel Garcia | Oakland Athletics | NRI | |
| Nomar Garciaparra | Los Angeles Dodgers | 1B | 25-man |
| Michael Garciaparra | Philadelphia Phillies | SS | Minors |
| Lee Gardner | Florida Marlins | RHRP | 25-man |
| Richie Gardner | Cincinnati Reds | 40-man | |
| Michael Gardner | San Diego Padres | 40-man | |
| Ryan Garko | Cleveland Indians | C | 25-man |
| Jon Garland | Los Angeles Angels of Anaheim | RHSP | 25-man |
| Matt Garza | Tampa Bay Rays | RHSP | 25-man |
| Dave Gassner | Minnesota Twins | LHSP | MFA |
| Joey Gathright | Kansas City Royals | CF | 25-man |
| Chad Gaudin | Oakland Athletics | RHSP | 25-man |
| Geoff Geary | Houston Astros | RHRP | 25-man |
| Chris George | Colorado Rockies | NRI | |
| Franklyn German | Texas Rangers | RHRP | NRI |
| Esteban German | Kansas City Royals | 3B | 25-man |
| Justin Germano | San Diego Padres | RHSP | 25-man |
| Jody Gerut | San Diego Padres | RF | NRI |
| Samuel Gervacio | Houston Astros | 40-man | |
| Jason Giambi | New York Yankees | 1B | 25-man |
| Tony Giarratano | Detroit Tigers | SS | FA |
| Jay Gibbons | Baltimore Orioles | RF | 40-man |
| Dan Giese | San Francisco Giants | MFA | |
| Jerry Gil | Cincinnati Reds | SS | NRI |
| Geronimo Gil | Colorado Rockies | MFA | |
| Marcus Giles | Colorado Rockies | 2B | NRI |
| Brian Giles | San Diego Padres | RF | 25-man |
| Hector Gimenez | Tampa Bay Rays | C | Minors |
| Matt Ginter | Cleveland Indians | NRI | |
| Keith Ginter | Boston Red Sox | NRI | |
| Chris Gissell | Oakland Athletics | NRI | |
| Troy Glaus | St. Louis Cardinals | 3B | 40-man |
| Tom Glavine | Atlanta Braves | LHSP | 40-man |
| Ross Gload | Kansas City Royals | 1B | 25-man |
| Gary Glover | Tampa Bay Rays | RHRP | 25-man |
| Ryan Glynn | Nippon Ham Fighters | RHRP | Japan |
| Jimmy Gobble | Kansas City Royals | LHRP | 25-man |
| Ryan Goleski | Cleveland Indians | RF | Minors |
| Jonny Gomes | Tampa Bay Rays | RF | 25-man |
| Alexis Gomez | Colorado Rockies | RF | MFA |
| Carlos Gomez | Minnesota Twins | CF | 25-man |
| Chris Gomez | Pittsburgh Pirates | 2B | 40-man |
| Mariano Gomez | Minnesota Twins | NRI | |
| Luis Gonzalez | Florida Marlins | LF | 40-man |
| Edgar Gonzalez | Arizona Diamondbacks | RHSP | 25-man |
| Enrique Gonzalez | San Diego Padres | RHSP | 40-man |
| Wiki Gonzalez | Chicago White Sox | C | MFA |
| Geremi Gonzalez | Toronto Blue Jays | RHRP | MFA |
| Alex S. Gonzalez | Kansas City Royals | 3B | MFA |
| Mike Gonzalez | Atlanta Braves | LHRP | 25-man |
| Luis A. Gonzalez | Yomiuri Giants | 2B | Japan |
| Alex Gonzalez | Cincinnati Reds | SS | 25-man |
| Adrian Gonzalez | San Diego Padres | 1B | 25-man |
| Andy Gonzalez | Cleveland Indians | SS | NRI |
| Alberto Gonzalez | New York Yankees | SS | 25-man |
| Carlos Gonzalez | Oakland Athletics | LF | 40-man |
| Juan Gonzalez | St. Louis Cardinals | RF | NRI |
| Edgar V. Gonzalez | St. Louis Cardinals | 3B | Minors |
| Edgar Gonzalez | San Diego Padres | Minors | |
| Alfredo Gonzalez | Texas Rangers | NRI | |
| Alex Gordon | Kansas City Royals | 3B | 25-man |
| Tom Gordon | Philadelphia Phillies | RHRP | 25-man |
| Nick Gorneault | Texas Rangers | RF | FA |
| Tom Gorzelanny | Pittsburgh Pirates | LHSP | 25-man |
| Mike Gosling | Toronto Blue Jays | LHSP | Minors |
| Ruben Gotay | New York Mets | 2B | 25-man |
| John Grabow | Pittsburgh Pirates | LHRP | 25-man |
| Jason Grabowski | Tampa Bay Rays | LF | Minors |
| Tim Gradoville | Philadelphia Phillies | C | Minors |
| Tony Graffanino | Milwaukee Brewers | 3B | FA |
| Tony Granadillo | Boston Red Sox | NRI | |
| Curtis Granderson | Detroit Tigers | CF | 25-man |
| Jeff Gray | Oakland Athletics | 40-man | |
| Andy Green | Nippon Ham Fighters | 3B | FA |
| Shawn Green | New York Mets | RF | Retired |
| Sean Green | Seattle Mariners | RHRP | 25-man |
| Nick Green | Seattle Mariners | SS | MFA |
| Steve Green | Baltimore Orioles | RHRP | MFA |
| Nick Green | Los Angeles Angels of Anaheim | RHRP | 40-man |
| Todd Greene | San Diego Padres | C | Retired |
| Khalil Greene | San Diego Padres | SS | 25-man |
| Kevin Gregg | Florida Marlins | RHRP | 25-man |
| Zack Greinke | Kansas City Royals | RHSP | 25-man |
| Ken Griffey Jr. | Cincinnati Reds | CF | 25-man |
| John-Ford Griffin | Los Angeles Dodgers | LF | NRI |
| Jason Grilli | Detroit Tigers | RHRP | 25-man |
| Jason Grimsley | Arizona Diamondbacks | RHRP | FA |
| Lee Gronkiewicz | Boston Red Sox | NRI | |
| Gabe Gross | Milwaukee Brewers | RF | 25-man |
| Mark Grudzielanek | Kansas City Royals | 2B | 25-man |
| Kevin Gryboski | Pittsburgh Pirates | RHRP | MFA |
| Eddie Guardado | Texas Rangers | LHRP | 40-man |
| Vladimir Guerrero | Los Angeles Angels of Anaheim | RF | 25-man |
| Matt Guerrier | Minnesota Twins | RHRP | 25-man |
| Carlos Guevara | San Diego Padres | 40-man | |
| Aaron Guiel | Yakult Swallows | RF | Japan |
| Jose Guillen | Kansas City Royals | RF | 40-man |
| Carlos Guillen | Detroit Tigers | SS | 25-man |
| Jeremy Guthrie | Baltimore Orioles | RHRP | 25-man |
| Franklin Gutierrez | Cleveland Indians | CF | 25-man |
| Juan Gutierrez | Arizona Diamondbacks | RHRP | 25-man |
| Cristian Guzman | Washington Nationals | SS | 25-man |
| Angel Guzman | Chicago Cubs | RHSP | 40-man |
| Joel Guzman | Tampa Bay Rays | LF | 25-man |
| Freddy Guzman | Detroit Tigers | CF | 25-man |
| Javier Guzman | Atlanta Braves | NRI | |
| Garrett Guzman | Washington Nationals | 40-man | |
| Marc Gwyn | Los Angeles Angels of Anaheim | RHRP | MFA |
| Tony Gwynn Jr. | Milwaukee Brewers | CF | 25-man |
| Yamid Haad | Cleveland Indians | C | NRI |
| Luther Hackman | Milwaukee Brewers | RHRP | Minors |
| Charlie Haeger | Chicago White Sox | RHSP | 40-man |
| Cody Haerther | St. Louis Cardinals | CF | 40-man |
| Travis Hafner | Cleveland Indians | DH | 25-man |
| Daniel Haigwood | Boston Red Sox | LHRP | Minors |
| Scott Hairston | San Diego Padres | 2B | 25-man |
| Jerry Hairston Jr. | Cincinnati Reds | 2B | NRI |
| John Halama | Baltimore Orioles | LHRP | FA |
| Toby Hall | Chicago White Sox | C | 25-man |
| Bill Hall | Milwaukee Brewers | 3B | 25-man |
| Josh Hall | Washington Nationals | RHSP | Minors |
| Roy Halladay | Toronto Blue Jays | RHSP | 25-man |
| Brad Halsey | Oakland Athletics | LHRP | MFA |
| Cole Hamels | Philadelphia Phillies | LHSP | 25-man |
| Josh Hamilton | Texas Rangers | CF | 25-man |
| Jason Hammel | Tampa Bay Rays | RHSP | 25-man |
| Zach Hammes | Los Angeles Dodgers | RHRP | Minors |
| Robby Hammock | Arizona Diamondbacks | C | 25-man |
| Chris Hammond | Cincinnati Reds | LHRP | FA |
| Justin Hampson | San Diego Padres | LHRP | 25-man |
| Mike Hampton | Atlanta Braves | LHSP | 40-man |
| Tim Hamulack | Los Angeles Dodgers | LHRP | MFA |
| Josh Hancock | St. Louis Cardinals | RHRP | Deceased |
| Ryan Hanigan | Cincinnati Reds | 25-man | |
| Jack Hannahan | Oakland Athletics | 3B | 25-man |
| Joel Hanrahan | Washington Nationals | RHRP | 25-man |
| Devern Hansack | Boston Red Sox | RHRP | 25-man |
| Craig Hansen | Boston Red Sox | RHRP | 40-man |
| A.J. Happ | Philadelphia Phillies | 40-man | |
| Aaron Harang | Cincinnati Reds | RHSP | 25-man |
| Adam Harben | Chicago Cubs | RHRP | Minors |
| Adam Harben | Chicago Cubs | 25-man | |
| Rich Harden | Oakland Athletics | RHSP | 40-man |
| J.J. Hardy | Milwaukee Brewers | SS | 25-man |
| Dan Haren | Arizona Diamondbacks | RHSP | 25-man |
| Tim Harikkala | Colorado Rockies | MFA | |
| Brad Harman | Philadelphia Phillies | 40-man | |
| Travis Harper | Tampa Bay Rays | RHRP | FA |
| Brandon Harper | Washington Nationals | C | MFA |
| Lucas Harrell | Chicago White Sox | 40-man | |
| Willie Harris | Washington Nationals | CF | 40-man |
| Brendan Harris | Minnesota Twins | 3B | 25-man |
| Jeff Harris | Cleveland Indians | NRI | |
| Matt Harrison | Texas Rangers | LHRP | Minors |
| Matt Harrison | Texas Rangers | 40-man | |
| Corey Hart | Milwaukee Brewers | CF | 25-man |
| Kevin Hart | Chicago Cubs | 25-man | |
| Chad Harville | Arizona Diamondbacks | RHRP | MFA |
| Scott Hatteberg | Cincinnati Reds | 1B | 25-man |
| John Hattig | Toronto Blue Jays | 3B | MFA |
| LaTroy Hawkins | New York Yankees | RHRP | 40-man |
| Blake Hawksworth | St. Louis Cardinals | RHSP | 40-man |
| Brad Hawpe | Colorado Rockies | RF | 25-man |
| Nathan Haynes | Los Angeles Angels of Anaheim | CF | 25-man |
| Chase Headley | San Diego Padres | 25-man | |
| Aaron Heilman | New York Mets | RHRP | 25-man |
| Chris Heintz | Minnesota Twins | C | FA |
| Jeremy Hellickson | Tampa Bay Rays | RHSP | Minors |
| Rick Helling | Milwaukee Brewers | RHSP | Retired |
| Wes Helms | Philadelphia Phillies | 3B | 25-man |
| Todd Helton | Colorado Rockies | 1B | 25-man |
| Mark Hendrickson | Florida Marlins | LHSP | 40-man |
| Ben Hendrickson | Kansas City Royals | RHSP | NRI |
| Sean Henn | New York Yankees | LHSP | 25-man |
| Brad Hennessey | San Francisco Giants | RHSP | 25-man |
| Matt Hensley | Los Angeles Angels of Anaheim | RHRP | MFA |
| Clay Hensley | San Diego Padres | RHSP | 40-man |
| Matt Herges | Colorado Rockies | RHRP | 40-man |
| Dustin Hermanson | Cincinnati Reds | RHRP | FA |
| Jeremy Hermida | Florida Marlins | RF | 25-man |
| Livan Hernandez | Minnesota Twins | RHSP | 40-man |
| Orlando Hernandez | New York Mets | RHSP | 25-man |
| Felix Hernandez | Seattle Mariners | RHSP | 25-man |
| Anderson Hernandez | New York Mets | 2B | 25-man |
| Ramon Hernandez | Baltimore Orioles | C | 25-man |
| Jose Hernandez | Pittsburgh Pirates | SS | MFA |
| Roberto Hernandez | Los Angeles Dodgers | RHRP | MFA |
| Runelvys Hernandez | Houston Astros | RHSP | NRI |
| Yoel Hernandez | Philadelphia Phillies | RHRP | MFA |
| Luis Hernandez | Baltimore Orioles | SS | 25-man |
| Michel Hernandez | Pittsburgh Pirates | C | NRI |
| Fernando Hernandez | Oakland Athletics | 40-man | |
| Aaron Herr | Cleveland Indians | NRI | |
| Yoslan Herrera | Pittsburgh Pirates | RHSP | 40-man |
| Jon Herrera | Colorado Rockies | 2B | 40-man |
| Javier Herrera | Oakland Athletics | CF | 40-man |
| Mike Hessman | Detroit Tigers | 1B | 25-man |
| Richard Hidalgo | Houston Astros | RF | FA |
| Aaron Hill | Toronto Blue Jays | 2B | 25-man |
| Rich Hill | Chicago Cubs | LHSP | 25-man |
| Shawn Hill | Washington Nationals | RHSP | 25-man |
| Koyie Hill | Chicago Cubs | C | MFA |
| Shea Hillenbrand | Los Angeles Dodgers | 1B | MFA |
| Mike Hinckley | Washington Nationals | LHSP | NRI |
| Eric Hinske | Tampa Bay Rays | RF | NRI |
| Masafumi Hirai | Chunichi Dragons | RHRP | FA |
| Jason Hirsh | Colorado Rockies | RHSP | 25-man |
| Sterling Hitchcock | San Diego Padres | LHSP | FA |
| Luke Hochevar | Kansas City Royals | RHSP | 25-man |
| Kevin Hodge | Detroit Tigers | RHRP | MFA |
| James Hoey | Baltimore Orioles | RHRP | 25-man |
| Trevor Hoffman | San Diego Padres | CL | 25-man |
| Jarrett Hoffpauir | St. Louis Cardinals | 40-man | |
| Lincoln Holdzkom | Philadelphia Phillies | RHRP | 40-man |
| Todd Hollandsworth | Cincinnati Reds | LF | FA |
| Matt Holliday | Colorado Rockies | LF | 25-man |
| Damon Hollins | Kansas City Royals | CF | NRI |
| Mike Holtz | Boston Red Sox | LHRP | Retired |
| Kevin Hooper | Houston Astros | 2B | NRI |
| Paul Hoover | Florida Marlins | C | MFA |
| Norris Hopper | Cincinnati Reds | CF | 25-man |
| D.J. Houlton | Fukuoka Softbank Hawks | Japan | |
| J.R. House | Baltimore Orioles | C | MFA |
| James Houser | Tampa Bay Rays | 40-man | |
| Ryan Houston | Houston Astros | 40-man | |
| Ryan Howard | Philadelphia Phillies | 1B | 25-man |
| Ben Howard | Chicago Cubs | RHRP | MFA |
| J.P. Howell | Tampa Bay Rays | LHSP | 25-man |
| Bob Howry | Chicago Cubs | RHRP | 25-man |
| Chin-lung Hu | Los Angeles Dodgers | 25-man | |
| Jon Huber | Seattle Mariners | RHSP | 25-man |
| Justin Huber | Kansas City Royals | 1B | 25-man |
| Ken Huckaby | Los Angeles Dodgers | C | Minors |
| Orlando Hudson | Arizona Diamondbacks | 2B | 25-man |
| Tim Hudson | Atlanta Braves | RHSP | 25-man |
| Luke Hudson | Kansas City Royals | RHRP | 25-man |
| Aubrey Huff | Baltimore Orioles | LF | 25-man |
| Travis Hughes | Yokohama BayStars | RHRP | Japan |
| Phil Hughes | New York Yankees | 25-man | |
| Eric Hull | Los Angeles Dodgers | RHRP | 25-man |
| Phil Humber | Minnesota Twins | RHRP | 25-man |
| Torii Hunter | Los Angeles Angels of Anaheim | CF | 40-man |
| Adam Hyzdu | Softbank Hawks | RF | FA |
| Chris Iannetta | Colorado Rockies | C | 25-man |
| Raul Ibanez | Seattle Mariners | LF | 25-man |
| Kei Igawa | New York Yankees | LHSP | 25-man |
| Tadahito Iguchi | San Diego Padres | 2B | 40-man |
| Omar Infante | Atlanta Braves | 2B | 25-man |
| Brandon Inge | Detroit Tigers | 3B | 25-man |
| Joe Inglett | Toronto Blue Jays | SS | 25-man |
| Hernan Iribarren | Milwaukee Brewers | 2B | 40-man |
| Yusaku Iriki | Yokohama BayStars | RHSP | Japan |
| Chairon Isenia | Tampa Bay Rays | C | Minors |
| Hirotoshi Ishii | Yakult Swallows | LHRP | Japan |
| Travis Ishikawa | San Francisco Giants | 1B | 40-man |
| Jason Isringhausen | St. Louis Cardinals | CL | 25-man |
| Akinori Iwamura | Tampa Bay Rays | 3B | 25-man |
| Hitoki Iwase | Chunichi Dragons | LHRP | Japan |
| Maicer Izturis | Los Angeles Angels of Anaheim | SS | 25-man |
| Cesar Izturis | St. Louis Cardinals | 3B | 40-man |
| Damian Jackson | Los Angeles Dodgers | 2B | FA |
| Conor Jackson | Arizona Diamondbacks | 1B | 25-man |
| Zach Jackson | Milwaukee Brewers | RHRP | 40-man |
| Edwin Jackson | Tampa Bay Rays | RHSP | 25-man |
| Kyle Jackson | Boston Red Sox | RHRP | 40-man |
| Mike Jacobs | Florida Marlins | 1B | 25-man |
| Chuck James | Atlanta Braves | LHRP | 25-man |
| Brad James | Houston Astros | 40-man | |
| Paul Janish | Cincinnati Reds | 40-man | |
| Casey Janssen | Toronto Blue Jays | RHSP | 25-man |
| Jason Jaramillo | Philadelphia Phillies | 40-man | |
| Kevin Jarvis | Boston Red Sox | RHRP | MFA |
| John Jaso | Tampa Bay Rays | 40-man | |
| Geoff Jenkins | Philadelphia Phillies | RF | 40-man |
| Bobby Jenks | Chicago White Sox | RHRP | 25-man |
| Jason Jennings | Texas Rangers | RHSP | 40-man |
| Derek Jeter | New York Yankees | ss | 25-man |
| D'Angelo Jimenez | St. Louis Cardinals | 2B | NRI |
| Cesar Jimenez | Seattle Mariners | LHRP | 40-man |
| Ubaldo Jimenez | Colorado Rockies | RHRP | 25-man |
| Kelvin Jimenez | St. Louis Cardinals | RHRP | 25-man |
| Luis Jimenez | Washington Nationals | NRI | |
| Charlton Jimerson | Seattle Mariners | CF | 25-man |
| Kenji Johjima | Seattle Mariners | C | 25-man |
| Nick Johnson | Washington Nationals | 1B | 40-man |
| Dan Johnson | Oakland Athletics | 1B | 25-man |
| Kelly Johnson | Atlanta Braves | 2B | 25-man |
| Reed Johnson | Toronto Blue Jays | LF | 25-man |
| Tyler Johnson | St. Louis Cardinals | LHRP | 25-man |
| Jason Johnson | Seibu Lions | RHSP | FA |
| Josh Johnson | Florida Marlins | RHSP | 40-man |
| Randy Johnson | Arizona Diamondbacks | LHSP | 40-man |
| Ben Johnson | New York Mets | LF | NRI |
| Jim Johnson | Baltimore Orioles | RHSP | 40-man |
| Elliot Johnson | Tampa Bay Rays | 2B | 40-man |
| Jonathan Johnson | Atlanta Braves | RHRP | FA |
| Ben Johnson | Los Angeles Angels of Anaheim | C | Minors |
| Rob Johnson | Seattle Mariners | 25-man | |
| Mark Johnson | St. Louis Cardinals | NRI | |
| Greg Jones | Los Angeles Dodgers | RHRP | NRI |
| Todd Jones | Detroit Tigers | CL | 25-man |
| Andruw Jones | Los Angeles Dodgers | CF | 40-man |
| Chipper Jones | Atlanta Braves | 3B | 25-man |
| Jacque Jones | Detroit Tigers | RF | 25-man |
| Adam Jones | Baltimore Orioles | CF | 25-man |
| Mike Jones | Milwaukee Brewers | RHSP | Minors |
| Garrett Jones | Minnesota Twins | 25-man | |
| Brandon Jones | Atlanta Braves | 25-man | |
| Justin Jones | Washington Nationals | FA | |
| Brian Jordan | Atlanta Braves | 1B | FA |
| Ryan Jorgensen | Cincinnati Reds | MFA | |
| Jorge Julio | Cleveland Indians | RHRP | NRI |
| Jair Jurrjens | Atlanta Braves | 25-man | |
| Ken Kadokura | Yomiuri Giants | RHSP | Japan |
| Gabe Kapler | Milwaukee Brewers | RF | 40-man |
| Steve Karsay | Oakland Athletics | RHRP | Retired |
| Jeff Karstens | New York Yankees | RHSP | 25-man |
| Matt Kata | Colorado Rockies | 2B | NRI |
| Kenshin Kawakami | Chunichi Dragons | RHSP | Japan |
| Scott Kazmir | Tampa Bay Rays | LHSP | 25-man |
| Austin Kearns | Washington Nationals | RF | 25-man |
| Randy Keisler | St. Louis Cardinals | LHRP | MFA |
| Don Kelly | Arizona Diamondbacks | SS | NRI |
| Matt Kemp | Los Angeles Dodgers | CF | 25-man |
| Beau Kemp | Toronto Blue Jays | RHRP | MFA |
| Jason Kendall | Milwaukee Brewers | C | 40-man |
| Howie Kendrick | Los Angeles Angels of Anaheim | 2B | 25-man |
| Kyle Kendrick | Philadelphia Phillies | 25-man | |
| Jeff Kennard | Los Angeles Angels of Anaheim | RHRP | 40-man |
| Adam Kennedy | St. Louis Cardinals | 2B | 25-man |
| Joe Kennedy | Toronto Blue Jays | LHRP | Deceased |
| Ian Kennedy | New York Yankees | 25-man | |
| Logan Kensing | Florida Marlins | RHRP | 25-man |
| Jeff Kent | Los Angeles Dodgers | 2B | 25-man |
| Bobby Keppel | Colorado Rockies | RHRP | MFA |
| Jeff Keppinger | Cincinnati Reds | 2B | 25-man |
| Ryan Ketchner | Toronto Blue Jays | LHRP | NRI |
| Bobby Kielty | Boston Red Sox | RF | NRI |
| Mark Kiger | New York Mets | 2B | Minors |
| Sunny Kim | Doosan Bears | RHRP | Korea |
| Byung-Hyun Kim | Pittsburgh Pirates | RHRP | 40-man |
| Ray King | Washington Nationals | LHRP | NRI |
| Mike Kinkade | Seattle Mariners | 3B | NRI |
| Josh Kinney | St. Louis Cardinals | RHRP | 40-man |
| Ian Kinsler | Texas Rangers | 2B | 25-man |
| Kody Kirkland | Detroit Tigers | 3B | Minors |
| Ryan Klesko | San Francisco Giants | LF | Retired |
| Steve Kline | San Francisco Giants | LHRP | 25-man |
| Justin Knoedler | Oakland Athletics | C | NRI |
| Jon Knott | Minnesota Twins | LF | Minors |
| Masahide Kobayashi | Cleveland Indians | RHRP | 40-man |
| Dan Kolb | Boston Red Sox | RHRP | NRI |
| Shane Komine | Oakland Athletics | RHSP | MFA |
| Paul Konerko | Chicago White Sox | 1B | 25-man |
| Mike Koplove | Los Angeles Dodgers | RHRP | NRI |
| Bobby Korecky | Minnesota Twins | 40-man | |
| John Koronka | Colorado Rockies | LHSP | NRI |
| Joe Koshansky | Colorado Rockies | 25-man | |
| Corey Koskie | Milwaukee Brewers | 3B | FA |
| Casey Kotchman | Los Angeles Angels of Anaheim | 1B | 25-man |
| Mark Kotsay | Atlanta Braves | CF | 25-man |
| Kevin Kouzmanoff | San Diego Padres | 3B | 25-man |
| Erik Kratz | Toronto Blue Jays | C | Minors |
| Chris Kroski | Cincinnati Reds | NRI | |
| Dave Krynzel | Arizona Diamondbacks | CF | MFA |
| Jason Kubel | Minnesota Twins | RF | 25-man |
| Hong-Chih Kuo | Los Angeles Dodgers | LHRP | 40-man |
| Hiroki Kuroda | Los Angeles Dodgers | RHSP | 40-man |
| Masumi Kuwata | Pittsburgh Pirates | RHRP | NRI |
| John Lackey | Los Angeles Angels of Anaheim | RHSP | 25-man |
| Aaron Laffey | Cleveland Indians | 25-man | |
| Pete LaForest | Philadelphia Phillies | NRI | |
| Bryan Lahair | Seattle Mariners | 1B | 40-man |
| Tim Lahey | Chicago Cubs | 40-man | |
| Gerald Laird | Texas Rangers | C | 25-man |
| Tim Laker | Cleveland Indians | C | Retired |
| Mike Lamb | Minnesota Twins | 1B | 40-man |
| Chris Lambert | Detroit Tigers | RHRP | Minors |
| Jason Lane | New York Yankees | RF | NRI |
| Ryan Langerhans | Washington Nationals | LF | 25-man |
| John Lannan | Washington Nationals | 40-man | |
| Juan Lara | Cleveland Indians | LHRP | Minors |
| Jeff Larish | Detroit Tigers | 1B | Minors |
| Adam LaRoche | Pittsburgh Pirates | 1B | 25-man |
| Andy LaRoche | Los Angeles Dodgers | 3B | 25-man |
| Preston Larrison | Detroit Tigers | RHSP | Minors |
| Jason LaRue | St. Louis Cardinals | C | 40-man |
| Brian Lawrence | Kansas City Royals | RHSP | NRI |
| Matt Lawton | Seattle Mariners | RF | FA |
| Brandon League | Toronto Blue Jays | RHRP | 25-man |
| Matt LeCroy | Oakland Athletics | 1B | NRI |
| Ricky Ledee | New York Mets | LF | Retired |
| Wil Ledezma | San Diego Padres | LHSP | 25-man |
| Travis Lee | Washington Nationals | 1B | FA |
| Carlos Lee | Houston Astros | LF | 25-man |
| Derrek Lee | Chicago Cubs | 1B | 25-man |
| Cliff Lee | Cleveland Indians | LHSP | 25-man |
| Seung-yeop Lee | Yomiuri Giants | 1B | Japan |
| Byung-Kyu Lee | LG Twins | CF | FA |
| Justin Lehr | Cincinnati Reds | RHRP | NRI |
| Jon Leicester | Baltimore Orioles | RHRP | 25-man |
| Arnold Leon | Oakland Athletics | NRI | |
| Justin Leone | San Francisco Giants | 3B | NRI |
| Anthony Lerew | Atlanta Braves | RHSP | 25-man |
| Steve Lerud | Pittsburgh Pirates | C | MFA |
| Jon Lester | Boston Red Sox | LHSP | 25-man |
| Colby Lewis | Kansas City Royals | RHSP | Japan |
| Fred Lewis | San Francisco Giants | CF | 25-man |
| Jensen Lewis | Cleveland Indians | 25-man | |
| Scott Lewis | Cleveland Indians | 40-man | |
| Brad Lidge | Philadelphia Phillies | CL | 25-man |
| Cory Lidle | New York Yankees | RHSP | Deceased |
| Jon Lieber | Chicago Cubs | RHRP | 40-man |
| Mike Lieberthal | Los Angeles Dodgers | C | Retired |
| Kerry Ligtenberg | Cincinnati Reds | RHRP | FA |
| Brent Lillibridge | Atlanta Braves | SS | Minors |
| Ted Lilly | Chicago Cubs | LHSP | 25-man |
| Jose Lima | Kia Tigers | RHSP | Korea |
| Serguey Linares | Pittsburgh Pirates | RHSP | MFA |
| Tim Lincecum | San Francisco Giants |
