Cardinals Roster & Staff
Transactions
| Date | Transaction |
| 05/31/17 | St. Louis Cardinals released RHP Jonathan Broxton. |
| 05/31/17 | St. Louis Cardinals recalled John Gant from Memphis Redbirds. |
| 05/29/17 | Jose Martinez roster status changed by St. Louis Cardinals. |
| 05/29/17 | St. Louis Cardinals optioned LF Randal Grichuk to Palm Beach Cardinals. |
| 05/29/17 | St. Louis Cardinals sent RHP Miguel Socolovich outright to Memphis Redbirds. |
| 05/28/17 | St. Louis Cardinals placed 2B Kolten Wong on the 10-day disabled list retroactive to May 27, 2017. Left elbow strain. |
| 05/28/17 | St. Louis Cardinals selected the contract of Paul DeJong from Memphis Redbirds. |
| 05/27/17 | St. Louis Cardinals selected the contract of John Brebbia from Memphis Redbirds. |
| 05/27/17 | St. Louis Cardinals designated RHP Miguel Socolovich for assignment. |
| 05/26/17 | St. Louis Cardinals sent OF Jose Martinez on a rehab assignment to Palm Beach Cardinals. |
| 05/23/17 | St. Louis Cardinals activated LHP Tyler Lyons from the 10-day disabled list. |
| 05/22/17 | St. Louis Cardinals optioned RHP Sam Tuivailala to Memphis Redbirds. |
| 05/20/17 | St. Louis Cardinals sent LHP Tyler Lyons on a rehab assignment to Springfield Cardinals. |
| 05/20/17 | St. Louis Cardinals traded 1B Matt Adams and cash to Atlanta Braves for 1B Juan Yepez. |
| 05/20/17 | St. Louis Cardinals activated RF Stephen Piscotty from the 10-day disabled list. |
| 05/20/17 | St. Louis Cardinals traded 1B Matt Adams and cash to Atlanta Braves for 1B Juan Yepez. |
| 05/19/17 | St. Louis Cardinals optioned CF Magneuris Sierra to Springfield Cardinals. |
| 05/19/17 | St. Louis Cardinals activated 3B Jhonny Peralta from the 10-day disabled list. |
| 05/16/17 | St. Louis Cardinals optioned RHP John Gant to Memphis Redbirds. |
| 05/16/17 | St. Louis Cardinals sent RF Stephen Piscotty on a rehab assignment to Springfield Cardinals. |
| 05/15/17 | St. Louis Cardinals sent LHP Tyler Lyons on a rehab assignment to Memphis Redbirds. |
| 05/14/17 | St. Louis Cardinals sent SS Jhonny Peralta on a rehab assignment to Memphis Redbirds. |
| 05/10/17 | St. Louis Cardinals sent LHP Tyler Lyons on a rehab assignment to Peoria Chiefs. |
| 05/07/17 | St. Louis Cardinals placed 1B Jose Martinez on the 10-day disabled list. Left groin injury. |
| 05/07/17 | St. Louis Cardinals recalled Magneuris Sierra from Palm Beach Cardinals. |
| 05/05/17 | St. Louis Cardinals recalled CF Tommy Pham from Memphis Redbirds. |
| 05/05/17 | St. Louis Cardinals sent SS Jhonny Peralta on a rehab assignment to Palm Beach Cardinals. |
| 05/05/17 | St. Louis Cardinals placed RF Stephen Piscotty on the 10-day disabled list. Strained right hamstring. |
| 05/02/17 | St. Louis Cardinals recalled Sam Tuivailala from Memphis Redbirds. |
| 05/02/17 | St. Louis Cardinals placed LHP Tyler Lyons on the 10-day disabled list. Right intercostal strain. |