| # | Pitchers | B/T | Ht | Wt | DOB |
|---|---|---|---|---|---|
| 48 | Rafael Dolis | R-R | 6'4" | 215 | Jan 10, 1988 |
| 46 | Scott Feldman | L-R | 6'7" | 230 | Feb 7, 1983 |
| 11 | Kyuji Fujikawa | L-R | 6'0" | 190 | Jul 21, 1980 |
| 22 | Matt Garza | R-R | 6'4" | 215 | Nov 26, 1983 |
| 63 | Kevin Gregg | R-R | 6'6" | 245 | Jun 20, 1978 |
| 36 | Edwin Jackson | R-R | 6'3" | 210 | Sep 9, 1983 |
| 49 | Carlos Marmol | R-R | 6'2" | 215 | Oct 14, 1982 |
| 56 | Hector Rondon | R-R | 6'3" | 180 | Feb 26, 1988 |
| 40 | James Russell | L-L | 6'4" | 200 | Jan 8, 1986 |
| 29 | Jeff Samardzija | R-R | 6'5" | 225 | Jan 23, 1985 |
| 33 | Carlos Villanueva | R-R | 6'2" | 215 | Nov 28, 1983 |
| 37 | Travis Wood | R-L | 5'11" | 175 | Feb 6, 1987 |
| # | Catchers | B/T | Ht | Wt | DOB |
| 53 | Welington Castillo | R-R | 5'10" | 210 | Apr 24, 1987 |
| 30 | Dioner Navarro | S-R | 5'9" | 205 | Feb 9, 1984 |
| # | Infielders | B/T | Ht | Wt | DOB |
| 15 | Darwin Barney | R-R | 5'10" | 185 | Nov 8, 1985 |
| 13 | Starlin Castro | R-R | 5'10" | 190 | Mar 24, 1990 |
| 1 | Cody Ransom | R-R | 6'2" | 200 | Feb 17, 1976 |
| 44 | Anthony Rizzo | L-L | 6'3" | 240 | Aug 8, 1989 |
| 24 | Luis Valbuena | L-R | 5'10" | 170 | Nov 30, 1985 |
| # | Outfielders | B/T | Ht | Wt | DOB |
| 20 | Julio Borbon | L-L | 6'0" | 195 | Feb 20, 1986 |
| 9 | David DeJesus | L-L | 5'11" | 190 | Dec 20, 1979 |
| 21 | Scott Hairston | R-R | 6'0" | 205 | May 25, 1980 |
| 19 | Nate Schierholtz | L-R | 6'2" | 215 | Feb 15, 1984 |
| 12 | Alfonso Soriano | R-R | 6'1" | 195 | Jan 7, 1976 |
| 6 | Ryan Sweeney | L-L | 6'4" | 225 | Feb 20, 1985 |
