| # | Pitchers | B/T | Ht | Wt | DOB |
|---|---|---|---|---|---|
| 61 | Bronson Arroyo | R-R | 6'4" | 195 | Feb 24, 1977 |
| 34 | Homer Bailey | R-R | 6'4" | 230 | May 3, 1986 |
| 51 | Jonathan Broxton | R-R | 6'4" | 310 | Jun 16, 1984 |
| 54 | Aroldis Chapman | L-L | 6'4" | 205 | Feb 28, 1988 |
| 52 | Tony Cingrani * | L-L | 6'4" | 215 | Jul 5, 1989 |
| 73 | Carlos Contreras * | R-R | 5'11" | 205 | Jan 8, 1991 |
| 67 | Daniel Corcino * | R-R | 5'11" | 205 | Aug 26, 1990 |
| 47 | Johnny Cueto | R-R | 5'11" | 215 | Feb 15, 1986 |
| 56 | Justin Freeman * | R-R | 5'11" | 175 | Oct 22, 1986 |
| 74 | Ismael Guillon * | L-L | 6'2" | 218 | Feb 13, 1992 |
| 60 | J.J. Hoover | R-R | 6'3" | 225 | Aug 13, 1987 |
| 55 | Mat Latos | R-R | 6'6" | 245 | Dec 9, 1987 |
| 44 | Mike Leake | R-R | 5'10" | 185 | Nov 12, 1987 |
| 63 | Sam LeCure | R-R | 6'0" | 205 | May 4, 1984 |
| 71 | Kyle Lotzkar * | L-R | 6'5" | 200 | Oct 24, 1989 |
| 45 | Sean Marshall | L-L | 6'7" | 225 | Aug 30, 1982 |
| 40 | Nick Masset
 60-day DL **
|
R-R | 6'5" | 235 | May 17, 1982 |
| 66 | Logan Ondrusek | R-R | 6'8" | 230 | Feb 13, 1985 |
| 43 | Manny Parra
15-day DL *
|
L-L | 6'3" | 205 | Oct 30, 1982 |
| 75 | Curtis Partch * | R-R | 6'5" | 240 | Feb 13, 1987 |
| 76 | Josh Ravin * | R-R | 6'5" | 225 | Jan 21, 1988 |
| 31 | Alfredo Simon | R-R | 6'6" | 265 | May 8, 1981 |
| 65 | Pedro Villarreal * | R-R | 6'1" | 230 | Dec 9, 1987 |
| # | Catchers | B/T | Ht | Wt | DOB |
| 29 | Ryan Hanigan | R-R | 6'0" | 210 | Aug 16, 1980 |
| 39 | Devin Mesoraco | R-R | 6'1" | 230 | Jun 19, 1988 |
| # | Infielders | B/T | Ht | Wt | DOB |
| 2 | Zack Cozart | R-R | 6'0" | 195 | Aug 12, 1985 |
| 21 | Todd Frazier | R-R | 6'3" | 220 | Feb 12, 1986 |
| 9 | Jack Hannahan | L-R | 6'2" | 210 | Mar 4, 1980 |
| 3 | Cesar Izturis | S-R | 5'9" | 180 | Feb 10, 1980 |
| 4 | Brandon Phillips | R-R | 6'0" | 200 | Jun 28, 1981 |
| 36 | Henry Rodriguez * | S-R | 5'8" | 200 | Feb 9, 1990 |
| 50 | Neftali Soto * | R-R | 6'1" | 215 | Feb 28, 1989 |
| 19 | Joey Votto | L-R | 6'2" | 220 | Sep 10, 1983 |
| # | Outfielders | B/T | Ht | Wt | DOB |
| 32 | Jay Bruce | L-L | 6'3" | 215 | Apr 3, 1987 |
| 17 | Shin-Soo Choo | L-L | 5'11" | 205 | Jul 13, 1982 |
| 28 | Chris Heisey
15-day DL *
|
R-R | 6'1" | 210 | Dec 14, 1984 |
| 48 | Ryan Ludwick
60-day DL **
|
R-L | 6'2" | 215 | Jul 13, 1978 |
| 23 | Donald Lutz | L-R | 6'3" | 250 | Feb 6, 1989 |
| 26 | Xavier Paul | L-R | 5'9" | 205 | Feb 25, 1985 |
| 15 | Derrick Robinson | S-L | 5'11" | 190 | Sep 28, 1987 |
| 77 | Yorman Rodriguez * | R-R | 6'3" | 197 | Aug 15, 1992 |
