| 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. |
| Ronnie Belliard | Cleveland Indians | 2006 | 2006 | 1 | $ 4,000,000 | | Option year from 2005 contract |
| Gary Bennett | St. Louis Cardinals | 2006 | 2006 | 1 | $ 800,000 | | |
| Larry Bigbie | St. Louis Cardinals | 2006 | 2006 | 1 | $ 900,000 | | |
| Chris Carpenter | St. Louis Cardinals | 2006 | 2007 | 2 | $ 13,000,000 | $ 6.50m | Club option for 2008. |
| Chris Duncan | St. Louis Cardinals | 2006 | 2006 | 1 | $ 327,000 | | |
| David Eckstein | St. Louis Cardinals | 2005 | 2007 | 3 | $ 10,250,000 | $ 3.42m | |
| Jim Edmonds | St. Louis Cardinals | 2001 | 2006 | 6 | $ 57,000,000 | $ 9.50m | Extension. $2m signing bonus. Club option for 2007 |
| Juan Encarnacion | St. Louis Cardinals | 2006 | 2008 | 3 | $ 15,000,000 | $ 5.00m | Did not play in 2008 |
| Brian Falkenborg | St. Louis Cardinals | 2006 | 2006 | 1 | $ 327,000 | | minor League Contract |
| Randy Flores | St. Louis Cardinals | 2006 | 2006 | 1 | $ 350,000 | | |
| John Gall | St. Louis Cardinals | 2006 | 2006 | 1 | $ 327,000 | | |
| Josh Hancock | St. Louis Cardinals | 2006 | 2006 | 1 | $ 355,000 | | Contract purchased from minors |
| Jason Isringhausen | St. Louis Cardinals | 2005 | 2007 | 3 | $ 25,750,000 | $ 8.58m | Reworked contract signed during 2005 season. Club option for 2008 |
| Tyler Johnson | St. Louis Cardinals | 2006 | 2006 | 1 | $ 327,000 | | |
| Josh Kinney | St. Louis Cardinals | 2006 | 2006 | 1 | $ 327,000 | | |
| Braden Looper | St. Louis Cardinals | 2006 | 2008 | 3 | $ 13,500,000 | $ 4.50m | |
| Hector Luna | St. Louis Cardinals | 2006 | 2006 | 1 | $ 340,000 | | |
| Jason Marquis | St. Louis Cardinals | 2006 | 2006 | 1 | $ 5,150,000 | | |
| Aaron Miles | St. Louis Cardinals | 2006 | 2006 | 1 | $ 350,000 | | |
| Yadier Molina | St. Louis Cardinals | 2006 | 2006 | 1 | $ 400,000 | | |
| Mark Mulder | St. Louis Cardinals | 2006 | 2006 | 1 | $ 7,750,000 | | Option year from prior contract |
| Chris Narveson | St. Louis Cardinals | 2006 | 2006 | 1 | $ 327,000 | | |
| John Nelson | St. Louis Cardinals | 2006 | 2006 | 1 | $ 327,000 | | Contract purchased from minors |
| Timo Perez | St. Louis Cardinals | 2006 | 2006 | 1 | $ 327,000 | | Minor League Contract |
| Sidney Ponson | St. Louis Cardinals | 2006 | 2006 | 1 | $ 1,000,000 | | |
| Sidney Ponson | Baltimore Orioles | 2004 | 2006 | 3 | $ 22,500,000 | $ 7.50m | |
| Albert Pujols | St. Louis Cardinals | 2004 | 2010 | 7 | $ 100,000,000 | $ 14.29m | Club option for 2011 ($16m) |
| Anthony Reyes | St. Louis Cardinals | 2006 | 2006 | 1 | $ 327,000 | | |
| Ricardo Rincon | St. Louis Cardinals | 2006 | 2007 | 2 | $ 2,900,000 | $ 1.45m | |
| John Rodriguez | St. Louis Cardinals | 2006 | 2006 | 1 | $ 332,000 | | |
| Scott Rolen | St. Louis Cardinals | 2003 | 2010 | 8 | $ 90,000,000 | $ 11.25m | $5m signing bonus |
| Mike Rose | St. Louis Cardinals | 2006 | 2006 | 1 | $ 327,000 | | Minor League Contract |
| Skip Schumaker | St. Louis Cardinals | 2006 | 2006 | 1 | $ 329,000 | | |
| Jorge Sosa | Atlanta Braves | 2006 | 2006 | 1 | $ 2,200,000 | | |
| Scott Spiezio | St. Louis Cardinals | 2004 | 2006 | 3 | $ 8,000,000 | $ 2.67m | |
| Jeff Suppan | St. Louis Cardinals | 2006 | 2006 | 1 | $ 4,000,000 | | Option exercised |
| So Taguchi | St. Louis Cardinals | 2006 | 2006 | 1 | $ 825,000 | | |
| Brad Thompson | St. Louis Cardinals | 2006 | 2006 | 1 | $ 334,000 | | |
| Jose Vizcaino | St. Louis Cardinals | 2006 | 2006 | 1 | $ 1,226,000 | | |
| Adam Wainwright | St. Louis Cardinals | 2006 | 2006 | 1 | $ 327,000 | | |
| Jeff Weaver | Los Angeles Angels | 2006 | 2006 | 1 | $ 8,325,000 | | |
| Preston Wilson | Houston Astros | 2006 | 2006 | 1 | $ 4,000,000 | | |