Cardinals Roster & Staff
Transactions
| Date | Transaction |
| 07/31/10 | St. Louis Cardinals transferred RHP Brad Penny from the 15-day disabled list to the 60-day disabled list. |
| 07/31/10 | Nick Stavinoha roster status changed by St. Louis Cardinals. |
| 07/31/10 | San Diego Padres Traded Corey Kluber to Cleveland Indians; Cleveland Indians Traded cash and Jake Westbrook to St. Louis Cardinals; San Diego Padres Traded Nick Greenwood to St. Louis Cardinals and St. Louis Cardinals Traded Ryan Ludwick to San Diego Padres. |
| 07/31/10 | San Diego Padres Traded Corey Kluber to Cleveland Indians; Cleveland Indians Traded cash and Jake Westbrook to St. Louis Cardinals; San Diego Padres Traded Nick Greenwood to St. Louis Cardinals and St. Louis Cardinals Traded Ryan Ludwick to San Diego Padres. |
| 07/31/10 | Daniel Bibona assigned to Quad Cities River Bandits from St. Louis Cardinals. |
| 07/31/10 | San Diego Padres Traded Corey Kluber to Cleveland Indians; Cleveland Indians Traded cash and Jake Westbrook to St. Louis Cardinals; San Diego Padres Traded Nick Greenwood to St. Louis Cardinals and St. Louis Cardinals Traded Ryan Ludwick to San Diego Padres. |
| 07/31/10 | San Diego Padres Traded Corey Kluber to Cleveland Indians; Cleveland Indians Traded cash and Jake Westbrook to St. Louis Cardinals; San Diego Padres Traded Nick Greenwood to St. Louis Cardinals and St. Louis Cardinals Traded Ryan Ludwick to San Diego Padres. |
| 07/30/10 | St. Louis Cardinals signed LHP Daniel Bibona. |
| 07/30/10 | St. Louis Cardinals signed RHP Seth Blair. |
| 07/28/10 | St. Louis Cardinals purchased RHP Mike MacDougal from Memphis Redbirds. |
| 07/28/10 | St. Louis Cardinals optioned Fernando Salas to Memphis Redbirds. |
| 07/25/10 | LHP Tyler Lyons assigned to Batavia Muckdogs from St. Louis Cardinals. |
| 07/25/10 | St. Louis Cardinals signed LHP Tyler Lyons. |
| 07/24/10 | St. Louis Cardinals optioned P.J. Walters to Memphis Redbirds. |
| 07/24/10 | Ryan Ludwick roster status changed by St. Louis Cardinals. |
| 07/23/10 | St. Louis Cardinals optioned Allen Craig to Memphis Redbirds. |
| 07/23/10 | St. Louis Cardinals recalled P.J. Walters from Memphis Redbirds. |
| 07/19/10 | St. Louis Cardinals optioned LHP Evan MacLane to Memphis Redbirds. |
| 07/19/10 | St. Louis Cardinals recalled Fernando Salas from Memphis Redbirds. |
| 07/15/10 | St. Louis Cardinals recalled Allen Craig from Memphis Redbirds. |
| 07/15/10 | St. Louis Cardinals placed RF Nick Stavinoha on the 15-day disabled list retroactive to July 12, 2010. Right shoulder strain |
| 07/08/10 | John Gast assigned to Batavia Muckdogs from St. Louis Cardinals. |
| 07/07/10 | St. Louis Cardinals signed LHP John Gast. |
| 07/07/10 | St. Louis Cardinals placed RHP Adam Ottavino on the 15-day disabled list retroactive to July 4, 2010. right shoulder sprain |
| 07/07/10 | St. Louis Cardinals recalled Evan MacLane from Memphis Redbirds. |
| 07/06/10 | Dyllon Nuernberg assigned to GCL Cardinals from St. Louis Cardinals. |
| 07/05/10 | St. Louis Cardinals signed RHP Dyllon Nuernberg. |
| 07/03/10 | St. Louis Cardinals recalled Jon Jay from Memphis Redbirds. |
| 07/03/10 | Ryan Ludwick roster status changed by St. Louis Cardinals. |
| 07/03/10 | OF Corderious Dodd assigned to GCL Cardinals from St. Louis Cardinals. |
| 07/02/10 | St. Louis Cardinals sent Josh Kinney outright to Memphis Redbirds. |
| 07/02/10 | St. Louis Cardinals signed OF Corderious Dodd. |
| 07/02/10 | St. Louis Cardinals recalled SS Tyler Greene from Memphis Redbirds. |
| 07/02/10 | St. Louis Cardinals optioned Fernando Salas to Memphis Redbirds. |
| 07/01/10 | Cory Rauschenberger assigned to Palm Beach Cardinals from St. Louis Cardinals. |