| # | Player Name | Pos | Age | B | T | Ht | Wt | Born | Place | High Level | mlbYears | Salary |
| 64 | Jonathan Adkins | P | 30 | L | R | 6-0 | 200 | 8/30/1977 | Huntington,West Virginia | MLB | 2003-2008 | min |
| 41 | Jeremy Affeldt | P | 29 | L | L | 6-4 | 185 | 6/5/1979 | Phoenix,Arizona | MLB | 2002-2011 | 3,000,000 |
| 61 | Bronson Arroyo | P | 31 | R | R | 6-5 | 180 | 2/24/1977 | Key West,Florida | MLB | 2000-2011 | 4,575,000 |
| 34 | Homer Bailey | P | 22 | R | R | 6-4 | 185 | 5/3/1986 | La Grange,Texas | MLB | 2007-2011 | min |
| 9 | Paul Bako | C | 36 | L | R | 6-2 | 205 | 6/20/1972 | Lafayette,Louisiana | MLB | 1998-2009 | 750,000 |
| 31 | Matt Belisle | P | 28 | R | R | 6-3 | 195 | 6/6/1980 | Austin,Texas | MLB | 2003-2011 | 1,250,000 |
| 45 | Bill Bray | P | 25 | L | L | 6-3 | 215 | 6/5/1983 | Virginia Beach,Virginia | MLB | 2006-2011 | min |
| 32 | Jay Bruce | OF | 21 | L | L | 6-3 | 195 | 4/3/1987 | Beaumont,Texas | MLB | 2008-2011 | min |
| 51 | Jared Burton | P | 27 | R | R | 6-5 | 220 | 6/2/1981 | Westminster,South Carolina | MLB | 2007-2011 | 395,000 |
| 54 | Jolbert Cabrera | 2B-CF | 35 | R | R | 6-0 | 177 | 12/8/1972 | Cartagena,Colombia | MLB | 1998-2008 | min |
| 26 | Wilkin Castillo | C | 24 | B | R | 6-0 | 170 | 6/1/1984 | Bani,Dominican Republic | MLB | 2008-2009 | min |
| 7 | Juan Castro | SS-2B | 36 | R | R | 5-10 | 187 | 6/20/1972 | Los Mochis,Mexico | MLB | 1995-2011 | 975,000 |
| 56 | Todd Coffey | P | 27 | R | R | 6-5 | 225 | 9/9/1980 | Shelby,North Carolina | MLB | 2005-2011 | 907,500 |
| 48 | Francisco Cordero | P | 33 | R | R | 6-2 | 200 | 5/11/1975 | Santo Domingo,Dominican Republic | MLB | 1999-2011 | 8,625,000 |
| 47 | Johnny Cueto | P | 22 | R | R | 5-10 | 185 | 2/15/1986 | San Pedro de Macoris,Dominican Republic | MLB | 2008-2011 | 390,000 |
| 21 | Chris Dickerson | OF | 26 | L | L | 6-4 | 212 | 4/10/1982 | Hollywood,California | MLB | 2008-2011 | min |
| 44 | Adam Dunn | LF | 28 | L | R | 6-6 | 235 | 11/9/1979 | Houston,Texas | MLB | 2001-2011 | 13,000,000 |
| 28 | Edwin Encarnacion | IF | 25 | R | R | 6-1 | 175 | 1/7/1983 | La Romana,Dominican Republic | MLB | 2005-2011 | 450,000 |
| 33 | Josh Fogg | P | 31 | R | R | 6-2 | 205 | 12/13/1976 | Lynn,Massachusetts | MLB | 2001-2009 | 400,000 |
| 6 | Ryan Freel | CF-3B | 32 | R | R | 5-10 | 185 | 3/8/1976 | Jacksonville,Florida | MLB | 2001-2009 | 3,000,000 |
| 3 | Ken Griffey | CF | 38 | L | L | 6-3 | 205 | 11/21/1969 | Donora,Pennsylvania | MLB | 1989-2010 | 8,282,695 |
| 15 | Jerry Hairston | 2B | 32 | R | R | 5-10 | 173 | 5/29/1976 | Naperville,Illinois | MLB | 1998-2011 | min |
| 29 | Ryan Hanigan | C | 27 | R | R | 6-1 | 180 | 8/16/1980 | Washington,DC | MLB | 2007-2011 | min |
| 39 | Aaron Harang | P | 30 | R | R | 6-7 | 240 | 5/9/1978 | San Diego,California | MLB | 2002-2011 | 6,750,000 |
| 21 | Scott Hatteberg | C-1B | 38 | L | R | 6-1 | 205 | 12/14/1969 | Salem,Oregon | MLB | 1995-2008 | 1,850,000 |
| 52 | Danny Ray Herrera | P | 23 | L | L | 5-8 | 145 | 10/21/1984 | Odessa,Texas | MLB | 2008-2011 | min |
| 30 | Norris Hopper | OF | 29 | R | R | 5-10 | 210 | 3/24/1979 | Shelby,North Carolina | MLB | 2006-2008 | 402,500 |
| 7 | Paul Janish | SS | 25 | R | R | 6-2 | 180 | 10/12/1982 | Cypress,Texas | MLB | 2008-2011 | min |
| 27 | Jeff Keppinger | 2B | 28 | R | R | 6-0 | 180 | 4/21/1980 | Miami,Florida | MLB | 2004-2011 | 402,500 |
| 57 | Mike Lincoln | P | 33 | R | R | 6-2 | 211 | 4/10/1975 | Carmichael,California | MLB | 1999-2010 | 550,000 |
| 38 | Gary Majewski | P | 28 | R | R | 6-2 | 200 | 2/26/1980 | Houston,Texas | MLB | 2004-2010 | min |
| 40 | Nick Masset | P | 26 | R | R | 6-4 | 190 | 5/17/1982 | St. Petersburg,Florida | MLB | 2006-2011 | 396,000 |
| 50 | Kent Mercker | P | 40 | L | L | 6-2 | 195 | 2/1/1968 | Indianapolis,Indiana | MLB | 1989-2008 | 600,000 |
| 56 | Micah Owings | P-1B | 25 | R | R | 6-5 | 220 | 9/28/1982 | Gainesville,Georgia | MLB | 2007-2011 | 402,000 |
| 23 | Corey Patterson | CF | 28 | L | R | 5-9 | 180 | 8/13/1979 | Atlanta,Georgia | MLB | 2000-2011 | 3,000,000 |
| 63 | Adam Pettyjohn | P | 31 | R | L | 6-3 | 190 | 6/11/1977 | Phoenix,Arizona | MLB | 2001-2008 | min |
| 46 | Andy Phillips | 3B | 31 | R | R | 6-0 | 205 | 4/6/1977 | Tuscaloosa,Alabama | MLB | 2004-2008 | min |
| 4 | Brandon Phillips | 2B | 27 | R | R | 5-11 | 185 | 6/28/1981 | Raleigh,North Carolina | MLB | 2002-2011 | 2,937,500 |
| 58 | Ramon Ramirez | P | 25 | R | R | 5-10 | 172 | 9/16/1982 | Cagua,Venezuela | MLB | 2008-2009 | min |
| 62 | Danny Richar | 2B | 25 | R | R | 5-11 | 165 | 6/9/1983 | La Romana,Dominican Republic | MLB | 2007-2009 | 392,500 |
| 65 | Josh Roenicke | P | 25 | R | R | 6-3 | 195 | 8/4/1982 | Nevada City,Nevada | MLB | 2008-2011 | min |
| 60 | Adam Rosales | SS | 25 | R | R | 6-2 | 195 | 5/20/1983 | Chicago,Illinois | MLB | 2008-2011 | min |
| 26 | David Ross | C | 31 | R | R | 6-2 | 205 | 3/19/1977 | Bainbridge,Georgia | MLB | 2002-2011 | 2,525,000 |
| 53 | Daryl Thompson | P | 22 | R | R | 6-1 | 170 | 11/2/1985 | La Plata,Maryland | MLB | 2008-2011 | min |
| 17 | Javier Valentin | C | 32 | B | R | 5-10 | 200 | 9/19/1975 | Manati,Puerto Rico | MLB | 1997-2008 | min |
| 36 | Edinson Volquez | P | 24 | R | R | 6-1 | 160 | 7/3/1983 | La Segunda,Dominican Republic | MLB | 2005-2011 | 392,500 |
| 19 | Joey Votto | 1B | 24 | L | R | 6-3 | 200 | 9/10/1983 | Toronto,Ontario | MLB | 2007-2011 | 390,000 |
| 25 | Dave Weathers | P | 38 | R | R | 6-3 | 230 | 9/25/1969 | Lawrenceburg,Tennessee | MLB | 1991-2009 | 3,300,000 |