| # | Player Name | Pos | Age | B | T | Ht | Wt | Born | Place | High Level | mlbYears | Salary |
| 40 | Collin Balester | P | 23 | R | R | 6-5 | 190 | 6/6/1986 | Huntington Beach,California | MLB | 2008-2011 | min |
| 7 | Josh Bard | C | 31 | B | R | 6-3 | 205 | 3/30/1978 | Ithaca,New York | MLB | 2002-2011 | 1,600,000 |
| 97 | Joe Beimel | P | 32 | L | L | 6-2 | 201 | 4/19/1977 | St. Mary's,Pennsylvania | MLB | 2001-2011 | 2,000,000 |
| 10 | Ronnie Belliard | 2B | 32 | R | R | 5-8 | 180 | 7/4/1976 | Bronx,New York | MLB | 1998-2010 | 1,900,000 |
| 57 | Jay Bergmann | P | 27 | R | R | 6-4 | 185 | 9/25/1981 | Neptune,New Jersey | MLB | 2005-2010 | min |
| 2 | Rogearvin Bernadina | OF | 25 | L | L | 6-0 | 170 | 6/12/1984 | Curacao,Netherlands | MLB | 2008-2011 | min |
| 32 | Jamie Burke | C | 37 | R | R | 6-0 | 195 | 9/24/1971 | Roseburg,Oregon | MLB | 2001-2009 | min |
| 17 | Sean Burnett | P | 26 | L | L | 6-1 | 176 | 9/17/1982 | Dunedin,Florida | MLB | 2004-2011 | 408,500 |
| 45 | Daniel Cabrera | P | 28 | R | R | 6-7 | 170 | 5/28/1981 | San Pedro de Macoris,Dominican Republic | MLB | 2004-2009 | 2,600,000 |
| 13 | Alex Cintron | SS | 30 | B | R | 6-1 | 170 | 12/17/1978 | Humacao,Puerto Rico | MLB | 2001-2009 | min |
| 36 | Tyler Clippard | P | 24 | R | R | 6-3 | 170 | 2/14/1985 | Lexington,Kentucky | MLB | 2007-2011 | min |
| 43 | Jesus Colome | P | 30 | R | R | 6-2 | 170 | 3/23/1979 | San Pedro de Macoris,Dominican Republic | MLB | 2001-2010 | min |
| 6 | Ian Desmond | SS | 23 | R | R | 6-2 | 185 | 9/20/1985 | Sarasota,Florida | MLB | 2009-2011 | min |
| 48 | Ross Detwiler | P | 23 | R | L | 6-5 | 185 | 3/6/1986 | St. Louis,Missouri | MLB | 2007-2011 | min |
| 34 | Elijah Dukes | CF | 25 | R | R | 6-2 | 220 | 6/26/1984 | Homestead,Florida | MLB | 2007-2009 | 415,500 |
| 44 | Adam Dunn | LF | 29 | L | R | 6-6 | 235 | 11/9/1979 | Houston,Texas | MLB | 2001-2011 | 8,000,000 |
| 55 | Marco Estrada | P | 25 | R | R | 6-0 | 180 | 7/5/1983 | Sonora,Mexico | MLB | 2008-2011 | min |
| 3 | Jesus Flores | C | 24 | R | R | 6-1 | 180 | 10/26/1984 | Carupano,Venezuela | MLB | 2007-2011 | 415,500 |
| 56 | Victor Garate | P | 24 | L | L | 6-1 | 160 | 9/25/1984 | Maracay,Venezuela | MLB | 2009-2009 | min |
| 12 | Alberto Gonzalez | SS | 26 | R | R | 5-11 | 160 | 4/18/1983 | Barquisimeto,Venezuela | MLB | 2007-2011 | 400,000 |
| 15 | Cristian Guzman | SS | 31 | B | R | 6-0 | 188 | 3/21/1978 | Santo Domingo,Dominican Republic | MLB | 1999-2010 | 8,000,000 |
| 38 | Joel Hanrahan | P | 27 | R | R | 6-2 | 191 | 10/6/1981 | Des Moines,Iowa | MLB | 2007-2011 | 420,000 |
| 22 | Willie Harris | 2B-CF | 31 | L | R | 5-9 | 175 | 6/22/1978 | Cairo,Georgia | MLB | 2001-2011 | 1,500,000 |
| 6 | Anderson Hernandez | SS | 26 | B | R | 5-9 | 150 | 10/30/1982 | Santo Domingo,Dominican Republic | MLB | 2005-2010 | 400,000 |
| 61 | Livan Hernandez | P | 34 | R | R | 6-2 | 225 | 2/20/1975 | Villa Clara,Cuba | MLB | 1996-2011 | min |
| 58 | Mike Hinckley | P | 26 | R | L | 6-3 | 170 | 10/5/1982 | Oklahoma City,Oklahoma | MLB | 2008-2009 | 400,000 |
| 24 | Nick Johnson | 1B | 30 | L | L | 6-3 | 195 | 9/19/1978 | Sacramento,California | MLB | 2001-2010 | 5,500,000 |
| 25 | Austin Kearns | RF-CF | 29 | R | R | 6-3 | 220 | 5/20/1980 | Lexington,Kentucky | MLB | 2002-2011 | 8,000,000 |
| 26 | Logan Kensing | P | 26 | R | R | 6-1 | 185 | 7/3/1982 | San Antonio,Texas | MLB | 2004-2009 | 660,000 |
| 31 | John Lannan | P | 24 | L | L | 6-5 | 200 | 9/27/1984 | Long Beach,New York | MLB | 2007-2011 | 424,000 |
| 41 | Wil Ledezma | P | 28 | L | L | 6-3 | 152 | 1/21/1981 | Guarico,Venezuela | MLB | 2003-2011 | 750,000 |
| 54 | Mike MacDougal | P | 32 | R | R | 6-4 | 195 | 3/5/1977 | Las Vegas,Nevada | MLB | 2001-2011 | 2,650,000 |
| 60 | J.D. Martin | P | 26 | R | R | 6-5 | 175 | 1/2/1983 | Ridgecrest,California | MLB | 2009-2010 | min |
| 39 | Shairon Martis | P | 22 | R | R | 6-1 | 175 | 3/30/1987 | Willemstad,Curacao | MLB | 2008-2009 | 400,000 |
| 30 | Justin Maxwell | OF | 25 | R | R | 6-5 | 225 | 11/6/1983 | Olney,Maryland | MLB | 2007-2010 | min |
| 85 | Lastings Milledge | OF | 24 | R | R | 6-1 | 180 | 4/5/1985 | Bradenton,Florida | MLB | 2006-2011 | 452,000 |
| 49 | Garrett Mock | P | 26 | R | R | 6-4 | 215 | 4/25/1983 | Houston,Texas | MLB | 2008-2010 | min |
| 1 | Nyjer Morgan | CF | 28 | L | L | 6-0 | 180 | 7/2/1980 | San Francisco,California | MLB | 2007-2011 | 411,500 |
| 28 | Mike Morse | SS | 27 | R | R | 6-5 | 195 | 3/22/1982 | Fort Lauderdale,Florida | MLB | 2005-2011 | min |
| 23 | Wil Nieves | C | 31 | R | R | 5-11 | 190 | 9/25/1977 | San Juan,Puerto Rico | MLB | 2002-2011 | 445,000 |
| 19 | Scott Olsen | P | 25 | L | L | 6-4 | 170 | 1/12/1984 | Kalamazoo,Michigan | MLB | 2005-2010 | 2,800,000 |
| 24 | Pete Orr | SS | 30 | L | R | 6-1 | 175 | 6/8/1979 | Richmond Hill,Ontario | MLB | 2005-2011 | min |
| 8 | Jorge Padilla | OF | 29 | R | R | 6-2 | 200 | 8/11/1979 | Rio Piedras,Puerto Rico | MLB | 2009-2009 | min |
| 4 | Corey Patterson | CF | 29 | L | R | 5-9 | 180 | 8/13/1979 | Atlanta,Georgia | MLB | 2000-2011 | min |
| 52 | Saul Rivera | P | 31 | R | R | 5-11 | 155 | 12/7/1977 | San Juan,Puerto Rico | MLB | 2006-2010 | 475,000 |
| 58 | Zach Segovia | P | 26 | R | R | 6-1 | 220 | 4/11/1983 | Dallas,Texas | MLB | 2007-2009 | min |
| 59 | Steven Shell | P | 26 | R | R | 6-5 | 195 | 3/10/1983 | Longview,Texas | MLB | 2008-2009 | 425,000 |
| 29 | Jorge Sosa | P | 31 | B | R | 6-2 | 180 | 4/28/1978 | Santo Domingo,Dominican Republic | MLB | 2002-2010 | min |
| 35 | Craig Stammen | P | 25 | R | R | 6-3 | 200 | 3/9/1984 | Coldwater,Ohio | MLB | 2009-2011 | min |
| 50 | Julian Tavarez | P | 36 | L | R | 6-2 | 190 | 5/22/1973 | Santiago,Dominican Republic | MLB | 1993-2009 | 500,000 |
| 41 | Ron Villone | P | 39 | L | L | 6-3 | 237 | 1/16/1970 | Englewood,New Jersey | MLB | 1995-2009 | min |
| 32 | Kip Wells | P | 32 | R | R | 6-3 | 196 | 4/21/1977 | Houston,Texas | MLB | 1999-2009 | min |
| 16 | Josh Willingham | C-LF | 30 | R | R | 6-1 | 200 | 2/17/1979 | Florence,Alabama | MLB | 2004-2011 | 2,950,000 |
| 11 | Ryan Zimmerman | 3B | 24 | R | R | 6-2 | 210 | 9/28/1984 | Washington,North Carolina | MLB | 2005-2011 | 3,325,000 |
| 27 | Jordan Zimmermann | P | 23 | R | R | 6-2 | 200 | 5/23/1986 | Auburndale,Wisconsin | MLB | 2009-2011 | min |