| Contract data is available from the mid 2000s until the present day. Shaded records are players who signed multi-year contracts. The list of contracts may not be complete. Visit the Data Store if you're interested in purchasing the contract data. |
| Yonder Alonso | Cincinnati Reds | 2008 | 2012 | 5 | $ 4,550,000 | $ 0.91m | $2m signing bonus |
| Bronson Arroyo | Cincinnati Reds | 2009 | 2010 | 2 | $ 25,000,000 | $ 12.50m | Club option for 2011 and $2.5m signing bonus |
| Homer Bailey | Cincinnati Reds | 2010 | 2010 | 1 | $ 418,000 | | |
| Willie Bloomquist | Kansas City Royals | 2009 | 2010 | 2 | $ 3,100,000 | $ 1.55m | |
| Bill Bray | Cincinnati Reds | 2010 | 2010 | 1 | $ 400,000 | | |
| Jay Bruce | Cincinnati Reds | 2010 | 2010 | 1 | $ 440,000 | | |
| Jared Burton | Cincinnati Reds | 2010 | 2010 | 1 | $ 810,000 | | avoided arbitration |
| Orlando Cabrera | Cincinnati Reds | 2010 | 2010 | 1 | $ 3,020,000 | | $1.5m signing bonus. Mutual option for 2011 |
| Miguel Cairo | Cincinnati Reds | 2010 | 2010 | 1 | $ 500,000 | | Minor league contract |
| Aroldis Chapman | Cincinnati Reds | 2010 | 2015 | 6 | $ 30,250,000 | $ 5.04m | $16.25m signing bonus |
| Francisco Cordero | Cincinnati Reds | 2008 | 2011 | 4 | $ 46,000,000 | $ 11.50m | Club option for 2012 ($12m). $500k signing bonus. |
| Johnny Cueto | Cincinnati Reds | 2010 | 2010 | 1 | $ 445,000 | | |
| Enerio Del Rosario | Cincinnati Reds | 2010 | 2010 | 1 | $ 400,000 | | |
| Chris Dickerson | Cincinnati Reds | 2010 | 2010 | 1 | $ 415,000 | | |
| Jim Edmonds | Milwaukee Brewers | 2010 | 2010 | 1 | $ 850,000 | | Minor league contract |
| Juan Francisco | Cincinnati Reds | 2010 | 2010 | 1 | $ 400,000 | | |
| Jonny Gomes | Cincinnati Reds | 2010 | 2010 | 1 | $ 800,000 | | Club option for 2011 |
| Ryan Hanigan | Cincinnati Reds | 2010 | 2010 | 1 | $ 415,000 | | |
| Aaron Harang | Cincinnati Reds | 2007 | 2010 | 4 | $ 36,500,000 | $ 9.13m | Club option for 2011 ($12.75m) |
| Chris Heisey | Cincinnati Reds | 2010 | 2010 | 1 | $ 400,000 | | |
| Ramon Hernandez | Cincinnati Reds | 2010 | 2010 | 1 | $ 3,000,000 | | |
| Danny Ray Herrera | Cincinnati Reds | 2010 | 2010 | 1 | $ 412,500 | | |
| Paul Janish | Cincinnati Reds | 2010 | 2010 | 1 | $ 412,500 | | |
| Mike Leake | Cincinnati Reds | 2010 | 2010 | 1 | $ 400,000 | | Contract purchased from minors |
| Sam LeCure | Cincinnati Reds | 2010 | 2010 | 1 | $ 400,000 | | |
| Mike Lincoln | Cincinnati Reds | 2009 | 2010 | 2 | $ 4,000,000 | $ 2.00m | |
| Matt Maloney | Cincinnati Reds | 2010 | 2010 | 1 | $ 400,000 | | |
| Nick Masset | Cincinnati Reds | 2010 | 2011 | 2 | $ 2,580,000 | $ 1.29m | avoided arbitration |
| Laynce Nix | Cincinnati Reds | 2010 | 2010 | 1 | $ 400,000 | | MInor league contract |
| Logan Ondrusek | Cincinnati Reds | 2010 | 2010 | 1 | $ 400,000 | | |
| Micah Owings | Cincinnati Reds | 2010 | 2010 | 1 | $ 440,000 | | |
| Brandon Phillips | Cincinnati Reds | 2008 | 2011 | 4 | $ 27,000,000 | $ 6.75m | Club option for 2012 ($12m) |
| Arthur Rhodes | Cincinnati Reds | 2009 | 2010 | 2 | $ 4,000,000 | $ 2.00m | |
| Scott Rolen | St. Louis Cardinals | 2003 | 2010 | 8 | $ 90,000,000 | $ 11.25m | $5m signing bonus |
| Jordan Smith | Cincinnati Reds | 2010 | 2010 | 1 | $ 400,000 | | |
| Drew Stubbs | Cincinnati Reds | 2010 | 2010 | 1 | $ 400,000 | | |
| Drew Sutton | Cincinnati Reds | 2010 | 2010 | 1 | $ 400,000 | | |
| Chris Valaika | Cincinnati Reds | 2010 | 2010 | 1 | $ 400,000 | | |
| Edinson Volquez | Cincinnati Reds | 2010 | 2010 | 1 | $ 445,000 | | |
| Joey Votto | Cincinnati Reds | 2010 | 2010 | 1 | $ 550,000 | | |
| Travis Wood | Cincinnati Reds | 2010 | 2010 | 1 | $ 400,000 | | |