Cardinals Roster & Staff
Transactions
| Date | Transaction |
| 08/30/16 | St. Louis Cardinals sent C Brayan Pena on a rehab assignment to Palm Beach Cardinals. |
| 08/30/16 | St. Louis Cardinals signed free agent LHP Nelson Prada to a minor league contract. |
| 08/29/16 | St. Louis Cardinals recalled LHP Dean Kiekhefer from Memphis Redbirds. |
| 08/29/16 | St. Louis Cardinals placed RHP Mike Leake on the 15-day disabled list retroactive to August 22, 2016. Shingles. |
| 08/26/16 | St. Louis Cardinals optioned RHP Sam Tuivailala to Memphis Redbirds. |
| 08/26/16 | St. Louis Cardinals recalled RHP Miguel Socolovich from Memphis Redbirds. |
| 08/25/16 | St. Louis Cardinals sent 1B Matt Adams on a rehab assignment to Memphis Redbirds. |
| 08/24/16 | St. Louis Cardinals sent RHP Lance Lynn on a rehab assignment to Springfield Cardinals. |
| 08/23/16 | St. Louis Cardinals sent DH Brayan Pena on a rehab assignment to GCL Cardinals. |
| 08/19/16 | St. Louis Cardinals sent C Brayan Pena on a rehab assignment to Palm Beach Cardinals. |
| 08/16/16 | St. Louis Cardinals placed RHP Seth Maness on the 15-day disabled list retroactive to August 14, 2016. Right elbow strain. |
| 08/16/16 | St. Louis Cardinals recalled Sam Tuivailala from Memphis Redbirds. |
| 08/15/16 | St. Louis Cardinals sent RHP Lance Lynn on a rehab assignment to Palm Beach Cardinals. |
| 08/13/16 | St. Louis Cardinals placed LF Matt Holliday on the 15-day disabled list retroactive to August 12, 2016. Thumb fracture. |
| 08/13/16 | St. Louis Cardinals selected the contract of Luke Weaver from Memphis Redbirds. |
| 08/12/16 | St. Louis Cardinals transferred LHP Tyler Lyons from the 15-day disabled list to the 60-day disabled list. Stress reaction in his right knee. |
| 08/11/16 | St. Louis Cardinals placed 1B Matt Adams on the 15-day disabled list retroactive to August 10, 2016. Left shoulder inflammation. |
| 08/11/16 | St. Louis Cardinals recalled Randal Grichuk from Memphis Redbirds. |
| 08/11/16 | St. Louis Cardinals signed free agent 2B Jose Fernandez to a minor league contract. |
| 08/09/16 | St. Louis Cardinals transferred C Brayan Pena from the 15-day disabled list to the 60-day disabled list. Left knee inflammation. |
| 08/09/16 | St. Louis Cardinals selected the contract of RHP Alex Reyes from Memphis Redbirds. |
| 08/09/16 | St. Louis Cardinals placed RHP Michael Wacha on the 15-day disabled list. Right shoulder inflammation. |
| 08/05/16 | St. Louis Cardinals activated 1B Matt Carpenter from the 15-day disabled list. |
| 08/05/16 | St. Louis Cardinals optioned LHP Dean Kiekhefer to Memphis Redbirds. |
| 08/03/16 | St. Louis Cardinals recalled Dean Kiekhefer from Memphis Redbirds. |
| 08/03/16 | St. Louis Cardinals placed LHP Tyler Lyons on the 15-day disabled list retroactive to July 31, 2016. Right knee stress reaction. |
| 08/02/16 | St. Louis Cardinals optioned CF Randal Grichuk to Memphis Redbirds. |
| 08/02/16 | St. Louis Cardinals activated 3B Jhonny Peralta from the 15-day disabled list. |
| 08/02/16 | St. Louis Cardinals activated 1B Brandon Moss from the 15-day disabled list. |
| 08/02/16 | St. Louis Cardinals activated LHP Zach Duke. |
| 08/02/16 | St. Louis Cardinals optioned LHP Dean Kiekhefer to Memphis Redbirds. |
| 08/02/16 | St. Louis Cardinals placed SS Aledmys Diaz on the 15-day disabled list retroactive to August 1, 2016. Right thumb fracture. |
| 08/01/16 | St. Louis Cardinals signed free agent CF Randy Arozarena to a minor league contract. |