
| Player | MWBL | B/T | Birthdate | Age | MLB | Pos | Card | MLB Debut |
| Clement, Jeff | BET | R-R | 8/21/1983 | 26 | pit | C | 5 | 04/05/10 |
| Heyward, Jason | YSS | L-L | 8/9/1989 | 20 | atl | OF | 5 | 04/05/10 |
| Jackson, Austin | CHI | R-R | 2/1/1987 | 23 | det | OF | 5 | 04/05/10 |
| Sheets, Ben | KEN | R-R | 7/18/1978 | 31 | oak | P | 5 | 04/05/10 |
| Sizemore, Scott | BET | R-R | 1/4/1985 | 25 | det | 2B | 5 | 04/05/10 |
| Westbrook, Jake | SAC | R-R | 9/29/1977 | 32 | stl | P | 5 | 04/05/10 |
| Duchscherer, Justin | NOR | R-R | 11/19/1977 | 32 | oak | P | 5 | 04/07/10 |
| Mejia, Jennry | CWK | R-R | 10/11/1989 | 20 | nym | P | 5 | 04/07/10 |
| Takahashi, Hisanori | PIT | L-L | 4/2/1975 | 34 | nym | P | 5 | 04/07/10 |
| Craig, Allen | BMM | R-R | 7/18/1984 | 25 | stl | OF | 5 | 04/08/10 |
| Igarashi, Ryota | KEN | R-R | 5/28/1979 | 30 | nym | P | 5 | 04/08/10 |
| Raynor, John | SBL | R-R | 1/4/1984 | 26 | pit | OF | 5 | 04/08/10 |
| Garcia, Jaime | VIR | L/L | 7/8/1986 | 24 | stl | P | 5 | 04/10/10 |
| Leake, Mike | TOP | R-R | 11/12/1987 | 22 | cin | P | 5 | 04/11/10 |
| Jaso, John | HOL | L-R | 9/19/1983 | 26 | tb | C | 5 | 04/14/10 |
| Anderson, Bryan | SAC | L-R | 12/16/1986 | 23 | stl | C | 5 | 04/15/10 |
| Davis, Ike | TOP | L-L | 3/22/1987 | 22 | nym | 1B | 5 | 04/19/10 |
| Boesch, Brennan | CAM | L-L | 4/12/1985 | 24 | det | OF | 5 | 04/23/10 |
| Smoak, Justin | DET | B-L | 12/4/1982 | 27 | sea | 1B | 5 | 04/23/10 |
| Donaldson, Josh | SBL | R-R | 12/8/1985 | 24 | oak | C | 5 | 04/30/10 |
| Ramos, Wilson | ELY | R-R | 8/10/1987 | 22 | was | C | 5 | 05/02/10 |
| Heisey, Chris | CWK | R-R | 12/14/1984 | 25 | cin | OF | 5 | 05/03/10 |
| Valdez, Cesar | WCS | R-R | 3/17/1985 | 24 | arz | P | 5 | 05/03/10 |
| Ka'aihue, Kila | OWN | L-R | 3/29/1984 | 25 | kc | 1B | 5 | 05/06/10 |
| Castro, Starlin | HOL | R-R | 3/24/1990 | 19 | chc | SS | 5 | 05/07/10 |
| Kimbrel, Craig | VAL | R-R | 5/28/1988 | 21 | atl | P | 5 | 05/07/10 |
| Storen, Drew | BET | R-R | 8/11/1987 | 22 | was | P | 5 | 05/17/10 |
| Donald, Jason | PIT | R-R | 9/8/1984 | 25 | cle | SS | 5 | 05/18/10 |
| Lucroy, Jonathan | LBD | R-R | 6/13/1986 | 23 | mil | C | 5 | 05/21/10 |
| Moore, Scott | SAC | L-R | 11/17/1983 | 26 | bal | 3B | 5 | 05/21/10 |
| Braddock, Zach | LBD | L-L | 8/23/1987 | 22 | mil | P | 5 | 05/23/10 |
| Cashner, Andrew | JAC | R-R | 9/11/1986 | 23 | chc | P | 5 | 05/31/10 |
| Valencia, Danny | CAM | R-R | 9/19/1984 | 25 | min | 3B | 5 | 06/03/10 |
| Stanton, Mike | VIR | R-R | 11/8/1989 | 20 | fla | OF | 5 | 06/08/10 |
| Strasburg, Stephen | DET | R-R | 7/20/1988 | 21 | clg | P | 5 | 06/08/10 |
| Lincoln, Brad | CHI | L-R | 5/25/1985 | 24 | pit | P | 5 | 06/09/10 |
| Tabata, Jose | PIT | R-R | 8/12/1988 | 21 | pit | OF | 5 | 06/09/10 |
| Arrieta, Jake | SBL | R-R | 3/6/1986 | 23 | bal | P | 5 | 06/10/10 |
| Santana, Carlos | VIR | B-R | 4/8/1986 | 23 | cle | C | 5 | 06/11/10 |
| Alvarez, Pedro | PIT | L-R | 2/5/1983 | 27 | clg | 3B | 5 | 06/16/10 |
| Viciedo, Dayan | HOL | R-R | 3/10/1989 | 20 | cws | 3B | 5 | 06/20/10 |
| Castro, Jason | JAC | L-R | 6/18/1987 | 22 | hou | C | 5 | 06/22/10 |
| Oliver, Andrew | HOL | L-L | 12/3/1987 | 22 | det | P | 5 | 06/25/10 |
| Bell, Josh | TOP | R-R | 11/13/1986 | 23 | bal | 3B | 5 | 07/01/10 |
| Wood, Travis | VAL | R-L | 2/6/1987 | 23 | cin | P | 5 | 07/01/10 |
| Marinez, Jhan | HOL | R-R | 8/12/1988 | 21 | fla | P | 5 | 07/16/10 |
| Gomez, Jeanmar | PIT | R-R | 2/10/1988 | 22 | cle | P | 5 | 07/18/10 |
| Buchholz, Taylor | WCS | R-R | 10/13/1981 | 28 | col | P | 5 | 07/24/10 |
| Morrison, Logan | FRE | L-L | 8/25/1987 | 22 | fla | 1B | 5 | 07/27/10 |
| Brown, Dominic | NOR | L-L | 9/3/1987 | 22 | phi | OF | 5 | 07/28/10 |
| Moreland, Mitch | WCS | L-L | 9/6/1985 | 24 | tex | OF | 5 | 07/29/10 |
| Kalish, Ryan | BET | L-L | 3/28/1988 | 21 | bos | OF | 5 | 07/31/10 |
| Wallace, Brett | JAC | L-R | 8/26/1986 | 23 | hou | 3B | 5 | 07/31/10 |
| Brown, Jordan | ELY | L-L | 12/18/1983 | 26 | cle | 1B | 5 | 08/01/10 |
| Hellickson, Jeremy | IRN | R-R | 4/8/1987 | 22 | tb | P | 5 | 08/02/10 |
| Bourjos, Peter | CWK | R-R | 3/31/1987 | 22 | laa | OF | 5 | 08/03/10 |
| Arencibia, JP | OWN | R-R | 1/5/1986 | 24 | tor | C | 5 | 08/07/10 |
| Carter, Chris C. | IRN | R-R | 12/18/1986 | 23 | oak | 1B | 5 | 08/09/10 |
| Minor, Mike | TOP | R-L | 12/26/1987 | 22 | atl | P | 5 | 08/09/10 |
| Castillo, Welington | VAL | R-R | 4/24/1987 | 22 | chc | C | 5 | 08/11/10 |
| Barney, Darwin | CAM | R-R | 11/8/1985 | 24 | chc | SS | 5 | 08/12/10 |
| Walden, Jordan | OWN | R-R | 11/16/1987 | 22 | laa | P | 5 | 08/22/10 |
| Valaika, Chris | OWN | R-R | 8/14/1985 | 24 | cin | SS | 5 | 08/24/10 |
| Chapman, Aroldis | CHI | L-L | 9/11/1987 | 22 | cin | P | 5 | 08/31/10 |
| Alonso, Yonder | TOP | L-L | 4/7/1983 | 26 | cin | 1B | 5 | 09/01/10 |
| Bogusevic, Brian | WCS | L-L | 2/18/1984 | 26 | hou | OF | 5 | 09/01/10 |
| Espinosa, Danny | LBD | R-R | 4/25/1987 | 22 | was | SS | 5 | 09/01/10 |
| Freeman, Freddie | BRK | L-R | 9/12/1989 | 20 | atl | 1B | 5 | 09/01/10 |
| Jeffress, Jeremy | OWN | R-R | 9/21/1987 | 22 | mil | P | 5 | 09/01/10 |
| Jennings, Desmond | IRN | R-R | 10/30/1986 | 23 | tb | OF | 5 | 09/01/10 |
| Cousins, Scott | ELY | L-L | 1/22/1985 | 25 | fla | OF | 5 | 09/03/10 |
| Luebke, Cory | FRE | R-L | 3/4/1985 | 24 | sd | P | 5 | 09/03/10 |
| Anderson, Lars | OWN | L-L | 9/25/1987 | 22 | bos | 1B | 5 | 09/06/10 |
| Ceda, Jose | BMM | R-R | 1/28/1987 | 23 | fla | P | 5 | 09/06/10 |
| Morel, Brent | LBD | R-R | 4/21/1987 | 22 | chw | 3B | 5 | 09/07/10 |
| Revere, Benjamin | ELY | L-R | 5/3/1988 | 21 | min | OF | 5 | 09/07/10 |
| McKenry, Michael | WCS | R-R | 3/4/1985 | 24 | col | C | 5 | 09/08/10 |
| Snyder, Brandon | BMM | R-R | 11/23/1986 | 23 | bal | 1B | 5 | 09/10/10 |
| Conger, Hank | YSS | S-R | 1/29/1988 | 22 | laa | C | 5 | 09/11/10 |
| Trumbo, Mark | WCS | R-R | 1/16/1986 | 24 | laa | 1B | 5 | 09/11/10 |
| McGee, Jacob | TOP | L-L | 8/6/1986 | 23 | tb | P | 5 | 09/14/10 |
| Drabek, Kyle | CWK | R-R | 12/7/1983 | 26 | tor | P | 5 | 09/15/10 |
| Halman, Greg | CCC | R-R | 8/26/1987 | 22 | sea | OF | 5 | 09/23/10 |
| Cortes, Daniel | SAC | R-R | 3/4/1987 | 22 | kc | P | 5 | 09/24/10 |
| Ackley, Dustin | YSS | L-R | 2/26/1988 | 21 | clg | 1B | 5 | |
| Alderson, Tim | BMM | R-R | 11/3/1988 | 21 | pit | P | 5 | |
| Allen, Kyle | JAC | R-R | 2/12/1990 | 20 | nym | P | 5 | |
| Anderson, Leslie | CHI | L-L | 3/30/1982 | 27 | tb | 1B | 5 | |
| Aoki, Norichika | CHI | L-R | 1/5/1982 | 28 | jap | OF | 5 | |
| Arguelles, Noel | CHI | L-L | 1/12/1990 | 20 | kc | P | 5 | |
| Arnett, Eric | LBD | R-R | 1/25/1988 | 22 | mil | P | 5 | |
| Aumont, Phillipe | DET | R-R | 1/6/1985 | 25 | phi | P | 5 | |
| Barnes, Scott | CCC | L-L | 9/5/1987 | 22 | sf | P | 5 | |
| Beavan, Blake | SEV | R-R | 1/17/1989 | 21 | tex | P | 5 | |
| Beckham, Tim | VIR | R-R | 1/27/1990 | 20 | tb | SS | 5 | |
| Belfiore, Mike | KEN | R-L | 1/26/1978 | 32 | arz | P | 5 | |
| Belnome, Vince | ELY | L-R | 3/11/1988 | 21 | sd | 3B | 5 | |
| Beltre, Engel | FRE | L-L | 11/1/1989 | 20 | tex | OF | 5 | |
| Betances, Dellin | OWN | R-R | 3/23/1988 | 21 | nyy | P | 5 | |
| Betancourt, Christian | VAL | R-R | 9/2/1991 | 18 | atl | C | 5 | |
| Bianchi, Jeff | BRK | R-R | 10/5/1986 | 23 | kc | SS | 5 | |
| Borchering, Bobby | YSS | R-R | 10/25/1990 | 19 | arz | 3B | 5 | |
| Boscan, Wilfredo | BET | R-R | 10/26/1989 | 20 | tex | P | 5 | |
| Brackman, Andrew | OWN | R-R | 12/3/1981 | 28 | nyy | P | 5 | |
| Brentz, Bryce | DET | R-R | 12/30/1988 | 21 | clg | OF | 5 | |
| Britton, Zach | DET | L-L | 12/21/1983 | 26 | bal | P | 5 | |
| Brown, Corey | WCS | L-L | 11/26/1985 | 24 | oak | OF | 5 | |
| Burgess, Michael | IRN | L-L | 10/20/1988 | 21 | was | OF | 5 | |
| Campbell, Eric | CAM | R-R | 8/6/1985 | 24 | atl | 3B | 5 | |
| Cardenas, Adrian | CWK | R-R | 10/10/1987 | 22 | oak | SS | 5 | |
| Carpenter, Chris J. | CCC | R-R | 12/26/1985 | 24 | chc | P | 5 | |
| Carroll, Sawyer | SBL | L-R | 5/9/1986 | 23 | sd | OF | 5 | |
| Casilla, Jose | CWK | R-R | 5/21/1989 | 20 | sf | P | 5 | |
| Castro, Simon | LBD | R-R | 4/9/1988 | 21 | sd | P | 5 | |
| Chisenhall, Lonnie | IRN | L-R | 10/4/1988 | 21 | cle | 3B | 5 | |
| Clemens, Koby | BMM | R-R | 12/4/1986 | 23 | hou | C | 5 | |
| Colome, Alex | CWK | R-R | 12/31/1988 | 21 | tb | P | 5 | |
| Colon, Christian | DET | B-R | 5/14/1989 | 20 | clg | SS | 5 | |
| Cooper, David | NOR | L-L | 2/12/1987 | 23 | tor | 1B | 5 | |
| Costanzo, Mike | OWN | L-R | 9/9/1983 | 26 | bal | 3B | 5 | |
| Cozart, Zack | NOR | R-R | 8/12/1985 | 24 | cin | SS | 5 | |
| Crawford, Brandon | NOR | L-R | 1/21/1987 | 23 | sf | SS | 5 | |
| Crosby, Casey | FRE | R-L | 9/17/1988 | 21 | det | P | 5 | |
| Crow, Aaron | BRK | R-R | 11/10/1982 | 27 | clg | P | 5 | |
| Cumberland, Andrew | YSS | L-R | 1/13/1989 | 21 | sd | SS | 5 | |
| Danks, Jordan | VIR | L-R | 8/7/1986 | 23 | cws | OF | 5 | |
| D'Arnaud, Chase | SBL | R-R | 1/21/1987 | 23 | pit | SS | 5 | |
| D'Arnaud, Travis | BMM | R-R | 2/10/1989 | 21 | tor | C | 5 | |
| Darnell, James | YSS | R-R | 1/19/1987 | 23 | sd | 3B | 5 | |
| Darvish, Yu | CHI | R-R | 8/15/1982 | 27 | jap | P | 5 | |
| Davis, Kentrail | ELY | L-R | 6/29/1988 | 21 | mil | OF | 5 | |
| de los Santos, Fautino | CAM | R-R | 2/15/1986 | 24 | oak | P | 5 | |
| Decker, Jaff | TIJ | L-L | 2/23/1990 | 19 | sd | OF | 5 | |
| Dejesus Jr., Ivan | HOL | R-R | 5/1/1987 | 22 | lad | SS | 5 | |
| Delgado, Randall | VAL | R-R | 2/9/1990 | 20 | atl | P | 5 | |
| Dominguez, Matt | CWK | R-R | 8/28/1989 | 20 | flo | 3B | 5 | |
| Doolittle, Sean | BET | L-L | 9/26/1986 | 23 | oak | 1B | 5 | |
| Duffy, Danny | BRK | L-L | 12/21/1988 | 21 | kc | P | 5 | |
| Dwyer, Chris | IRN | R-L | 4/10/1988 | 21 | kc | P | 5 | |
| Erbe, Brandon | BET | R-R | 12/25/1987 | 22 | bal | P | 5 | |
| Feierabend, Ryan | SAC | L-L | 8/22/1985 | 24 | sea | P | 5 | |
| Flaherty, Ryan | CCC | L-R | 7/27/1986 | 23 | chc | SS | 5 | |
| Flores, Wilmer | BRK | R-R | 8/6/1991 | 18 | nym | SS | 5 | |
| Font, Wilmer | BRK | R-R | 5/24/1990 | 19 | tex | P | 5 | |
| Forsythe, Logan | SBL | R-R | 1/14/1987 | 23 | sd | 3B | 5 | |
| Franklin, Nick | CCC | B-R | 3/2/1991 | 18 | sea | SS | 5 | |
| Frazier, Todd | NOR | R-R | 2/12/1986 | 24 | cin | SS | 5 | |
| Friederich, Christian | BMM | R-L | 7/8/1987 | 22 | col | P | 5 | |
| Garrison, Steve | BUF | B-L | 9/12/1986 | 23 | sd | P | 5 | |
| Gaston, Jon | NOR | L-R | 10/13/1986 | 23 | hou | OF | 5 | |
| Gibson, Derrik | ELY | R-R | 12/5/1989 | 20 | bos | 2B | 5 | |
| Gibson, Kyle | FRE | R-R | 10/23/1987 | 22 | min | P | 5 | |
| Gillies, Tyson | HOL | L-R | 10/31/1988 | 21 | sea | OF | 5 | |
| Gindl, Caleb | BMM | L-L | 8/31/1988 | 21 | mil | OF | 5 | |
| Givens, Mychal | KEN | R-R | 5/13/1990 | 19 | bal | SS | 5 | |
| Gomez, Hector | SAC | R-R | 3/5/1988 | 21 | col | SS | 5 |