| # | Player Name | Pos | Age | B | T | Ht | Wt | Born | Place | High Level | mlbYears | Salary |
| 61 | Bronson Arroyo | P | 32 | R | R | 6-5 | 180 | 2/24/1977 | Key West,Florida | MLB | 2000-2011 | 10,125,000 |
| 34 | Homer Bailey | P | 23 | R | R | 6-4 | 185 | 5/3/1986 | La Grange,Texas | MLB | 2007-2011 | min |
| 28 | Wladimir Balentien | OF | 24 | R | R | 6-2 | 160 | 7/2/1984 | Willemstad,Curacao | MLB | 2007-2009 | 405,000 |
| 60 | Kevin Barker | 1B | 33 | L | L | 6-3 | 205 | 7/26/1975 | Bristol,Virginia | MLB | 1999-2009 | min |
| 32 | Jay Bruce | OF | 22 | L | L | 6-3 | 195 | 4/3/1987 | Beaumont,Texas | MLB | 2008-2011 | 417,500 |
| 51 | Jared Burton | P | 28 | R | R | 6-5 | 220 | 6/2/1981 | Westminster,South Carolina | MLB | 2007-2011 | 420,000 |
| 26 | Wilkin Castillo | C | 25 | B | R | 6-0 | 170 | 6/1/1984 | Bani,Dominican Republic | MLB | 2008-2009 | min |
| 48 | Francisco Cordero | P | 34 | R | R | 6-2 | 200 | 5/11/1975 | Santo Domingo,Dominican Republic | MLB | 1999-2011 | 12,125,000 |
| 47 | Johnny Cueto | P | 23 | R | R | 5-10 | 185 | 2/15/1986 | San Pedro de Macoris,Dominican Republic | MLB | 2008-2011 | 418,000 |
| 21 | Chris Dickerson | OF | 27 | L | L | 6-4 | 212 | 4/10/1982 | Hollywood,California | MLB | 2008-2011 | 400,000 |
| 28 | Edwin Encarnacion | IF | 26 | R | R | 6-1 | 175 | 1/7/1983 | La Romana,Dominican Republic | MLB | 2005-2011 | 2,425,000 |
| 46 | Carlos Fisher | OF-1B | 26 | R | R | 6-4 | 220 | 2/22/1983 | Duarte,California | MLB | 2009-2011 | min |
| 64 | Juan Francisco | 3B | 22 | B | R | 6-2 | 180 | 6/24/1987 | Bonao,Dominican Republic | MLB | 2009-2011 | min |
| 31 | Jonny Gomes | OF | 28 | R | R | 6-1 | 205 | 11/22/1980 | San Francisco,California | MLB | 2003-2011 | min |
| 2 | Alex Gonzalez | SS | 32 | R | R | 6-0 | 170 | 2/15/1977 | Cagua,Venezuela | MLB | 1998-2011 | 5,375,000 |
| 15 | Jerry Hairston | 2B | 33 | R | R | 5-10 | 173 | 5/29/1976 | Naperville,Illinois | MLB | 1998-2011 | 2,000,000 |
| 29 | Ryan Hanigan | C | 28 | R | R | 6-1 | 180 | 8/16/1980 | Washington,DC | MLB | 2007-2011 | 400,000 |
| 39 | Aaron Harang | P | 31 | R | R | 6-7 | 240 | 5/9/1978 | San Diego,California | MLB | 2002-2011 | 14,000,000 |
| 55 | Ramon Hernandez | C | 33 | R | R | 6-0 | 227 | 5/20/1976 | Caracas,Venezuela | MLB | 1999-2011 | 8,500,000 |
| 52 | Danny Ray Herrera | P | 24 | L | L | 5-8 | 145 | 10/21/1984 | Odessa,Texas | MLB | 2008-2011 | 400,000 |
| 7 | Paul Janish | SS | 26 | R | R | 6-2 | 180 | 10/12/1982 | Cypress,Texas | MLB | 2008-2011 | 400,000 |
| 62 | Justin Lehr | P | 31 | R | R | 6-1 | 200 | 8/3/1977 | Orange,California | MLB | 2004-2009 | min |
| 57 | Mike Lincoln | P | 34 | R | R | 6-2 | 211 | 4/10/1975 | Carmichael,California | MLB | 1999-2010 | 1,500,000 |
| 56 | Matt Maloney | P | 25 | L | L | 6-4 | 220 | 1/16/1984 | Sandusky,Ohio | MLB | 2009-2011 | min |
| 79 | Robert Manuel | P | 25 | R | R | 6-3 | 190 | 7/9/1983 | Houston,Texas | MLB | 2009-2010 | min |
| 40 | Nick Masset | P | 27 | R | R | 6-4 | 190 | 5/17/1982 | St. Petersburg,Florida | MLB | 2006-2011 | 418,000 |
| 16 | Darnell McDonald | RF-CF | 30 | R | R | 5-11 | 201 | 11/17/1978 | Fort Collins,Colorado | MLB | 2004-2011 | 410,000 |
| 37 | Corky Miller | C | 33 | R | R | 6-1 | 220 | 3/18/1976 | Loma Linda,California | MLB | 2001-2010 | 450,000 |
| 17 | Laynce Nix | CF-RF | 28 | L | L | 6-0 | 190 | 10/30/1980 | Houston,Texas | MLB | 2003-2011 | min |
| 33 | Micah Owings | P-1B | 26 | R | R | 6-5 | 220 | 9/28/1982 | Gainesville,Georgia | MLB | 2007-2011 | 420,000 |
| 4 | Brandon Phillips | 2B | 28 | R | R | 5-11 | 185 | 6/28/1981 | Raleigh,North Carolina | MLB | 2002-2011 | 5,187,500 |
| 58 | Ramon Ramirez | P | 26 | R | R | 5-10 | 172 | 9/16/1982 | Cagua,Venezuela | MLB | 2008-2009 | min |
| 53 | Arthur Rhodes | P | 39 | L | L | 6-2 | 205 | 10/24/1969 | Waco,Texas | MLB | 1991-2011 | 2,000,000 |
| 9 | Danny Richar | 2B | 26 | R | R | 5-11 | 165 | 6/9/1983 | La Romana,Dominican Republic | MLB | 2007-2009 | min |
| 37 | Josh Roenicke | P | 26 | R | R | 6-3 | 195 | 8/4/1982 | Nevada City,Nevada | MLB | 2008-2011 | min |
| 27 | Scott Rolen | 3B | 34 | R | R | 6-4 | 226 | 4/4/1975 | Jasper,Indiana | MLB | 1996-2011 | 11,625,000 |
| 23 | Adam Rosales | SS | 26 | R | R | 6-2 | 195 | 5/20/1983 | Chicago,Illinois | MLB | 2008-2011 | min |
| 6 | Drew Stubbs | OF | 24 | R | R | 6-5 | 190 | 10/4/1984 | Texarkana,Texas | MLB | 2009-2011 | min |
| 15 | Drew Sutton | OF | 26 | B | R | 6-3 | 185 | 6/30/1983 | Jackson,Tennessee | MLB | 2009-2011 | min |
| 30 | Craig Tatum | C | 26 | R | R | 6-1 | 215 | 3/18/1983 | Hattiesburg,Mississippi | MLB | 2009-2011 | min |
| 3 | Willy Taveras | CF-LF | 27 | R | R | 6-0 | 160 | 12/25/1981 | Tenares,Dominican Republic | MLB | 2004-2010 | 2,250,000 |
| 50 | Pedro Viola | P | 26 | R | L | 6-1 | 185 | 6/29/1983 | San Juan de la Maguna,Dominican Republic | MLB | 2009-2011 | min |
| 36 | Edinson Volquez | P | 25 | R | R | 6-1 | 160 | 7/3/1983 | La Segunda,Dominican Republic | MLB | 2005-2011 | 440,000 |
| 19 | Joey Votto | 1B | 25 | L | R | 6-3 | 200 | 9/10/1983 | Toronto,Ontario | MLB | 2007-2011 | 437,500 |
| 25 | Dave Weathers | P | 39 | R | R | 6-3 | 230 | 9/25/1969 | Lawrenceburg,Tennessee | MLB | 1991-2009 | 3,500,000 |
| 38 | Kip Wells | P | 32 | R | R | 6-3 | 196 | 4/21/1977 | Houston,Texas | MLB | 1999-2009 | min |
