Transactions
| Date | Player | Transactions |
| 8/20 | Randy Arozarena, RF | Sent to Minors |
| 8/20 | Harrison Bader, CF | Called Up from Minors |
| 8/13 | Randy Arozarena, RF | Purchased From Minors |
| 8/13 | José Martínez, 1B | Placed on 10-Day IL (Sprained AC joint in right shoulder) |
| 8/13 | Yadier Molina, C | Recalled From Minors Rehab Assignment |
| 8/13 | Yadier Molina, C | Removed From 10-Day IL (Tendon strain in right thumb) |
| 8/11 | Andrew Knizner, C | Sent to Minors |
| 8/6 | Junior Fernández, P | Purchased From Minors |
| 8/6 | Mike Mayers, P | Outrighted to Minors |
| 8/6 | Adalberto Mejía, P | Designated for Assignment |
| 8/4 | Matt Carpenter, 3B | Removed From 10-Day IL (Right foot contusion) |
| 8/4 | Matt Carpenter, 3B | Recalled From Minors Rehab Assignment |
| 8/4 | Ryan Helsley, P | Called Up from Minors |
| 8/4 | Mike Mayers, P | Designated for Assignment |
| 8/3 | Tyler O'Neill, RF | Placed on 10-Day IL (Strained left wrist) |
| 8/3 | Marcell Ozuna, LF | Recalled From Minors Rehab Assignment |
| 8/3 | Marcell Ozuna, LF | Removed From 10-Day IL (Fractured fingers on right hand) |
| 8/3 | Rangel Ravelo, 1B | Sent to Minors |
| 8/2 | Yadier Molina, C | Sent to Minors For Rehabilitation |
| 7/31 | Tony Cingrani, P | Traded Los Angeles (with RHP Jeffry Abreu for 3B Jedd Gyorko) |
| 7/31 | Daniel Ponce de Leon, P | Sent to Minors |
| 7/30 | Adalberto Mejía, P | Acquired Off Waivers Los Angeles |
| 7/30 | Marcell Ozuna, LF | Sent to Minors For Rehabilitation |
| 7/30 | Lane Thomas, CF | Called Up from Minors |
| 7/29 | Zac Rosscup, P | Traded Los Angeles (for future considerations) |
| 7/28 | Harrison Bader, CF | Sent to Minors |
| 7/27 | Chasen Shreve, P | Outrighted to Minors |
| 7/23 | Matt Carpenter, 3B | Sent to Minors For Rehabilitation |
| 7/23 | Mike Mayers, P | Recalled From Minors Rehab Assignment |
| 7/23 | Mike Mayers, P | Removed From 60-Day IL (Right shoulder lat strain) |
| 7/23 | Chasen Shreve, P | Designated for Assignment |
| 7/21 | Rangel Ravelo, 1B | Called Up from Minors |
| 7/21 | Tyler Webb, P | Called Up from Minors |
| 7/20 | Ryan Helsley, P | Called Up from Minors |
| 7/20 | Ryan Helsley, P | Sent to Minors |
| 7/20 | Dominic Leone, P | Sent to Minors |
| 7/19 | Edmundo Sosa, SS | Sent to Minors |
| 7/16 | Matt Carpenter, 3B | Placed on 10-Day IL (Right foot contusion) |
| 7/16 | Edmundo Sosa, SS | Called Up from Minors |
| 7/12 | Andrew Knizner, C | Called Up from Minors |
| 7/11 | Matt Carpenter, 3B | Removed From 10-Day IL (Lower back strain) |
| 7/11 | Jordan Hicks, P | Transferred to 60-Day IL (Torn UCL, right elbow) |
| 7/11 | Yadier Molina, C | Placed on 10-Day IL (Tendon strain in right thumb) |
| 7/11 | Rangel Ravelo, 1B | Sent to Minors |
| 7/11 | Chasen Shreve, P | Purchased From Minors |
| 7/9 | Carlos Peguero, LF | Signed to Play in Korea (LG Twins) |
| 7/7 | Tyler Webb, P | Sent to Minors |
| 7/5 | Tommy Layne, P | Released |
| 7/5 | Rangel Ravelo, 1B | Called Up from Minors |
| 7/4 | Lane Thomas, CF | Sent to Minors |
| 7/3 | Ryan Helsley, P | Recalled From Minors Rehab Assignment |
| 7/3 | Ryan Helsley, P | Removed From 10-Day IL (Right shoulder impingement) |
| 7/3 | Ryan Helsley, P | Sent to Minors |
| 7/2 | John Brebbia, P | Reinstated from Paternity Leave List |
| 7/2 | Matt Carpenter, 3B | Placed on 10-Day IL (Lower back strain) |
| 6/29 | John Brebbia, P | Placed on Paternity Leave List |
| 6/29 | Tyler O'Neill, RF | Called Up from Minors |
| 6/29 | Marcell Ozuna, LF | Placed on 10-Day IL (Fractured fingers on right hand) |
| 6/29 | Lane Thomas, CF | Called Up from Minors |
| 6/26 | Ryan Helsley, P | Sent to Minors For Rehabilitation |
| 6/26 | Mike Mayers, P | Sent to Minors For Rehabilitation |
| 6/25 | Jordan Hicks, P | Placed on 10-Day IL (Torn UCL, right elbow) |
| 6/25 | Dominic Leone, P | Called Up from Minors |
| 6/25 | Daniel Ponce de Leon, P | Called Up from Minors |
| 6/23 | Génesis Cabrera, P | Sent to Minors |
| 6/21 | Yairo Muñoz, SS | Reinstated From Restricted List |
| 6/20 | Yairo Muñoz, SS | Reinstated from Paternity Leave List |
| 6/20 | Yairo Muñoz, SS | Placed on Restricted List |
| 6/20 | Rangel Ravelo, 1B | Sent to Minors |
| 6/20 | Adam Wainwright, P | Removed From 10-Day IL (Strained left hamstring) |
| 6/19 | Daniel Ponce de Leon, P | Sent to Minors |
| 6/17 | Mike Mayers, P | Transferred to 60-Day IL (Right shoulder lat strain) |
| 6/17 | Yairo Muñoz, SS | Placed on Paternity Leave List |
| 6/17 | Rangel Ravelo, 1B | Purchased From Minors |
| 6/14 | Dominic Leone, P | Called Up from Minors (recalled as 26th roster player) |
| 6/14 | Dominic Leone, P | Return of 26th man |
| 6/13 | Génesis Cabrera, P | Called Up from Minors |
| 6/13 | Ryan Helsley, P | Placed on 10-Day IL (Right shoulder impingement) |
| 6/11 | Yadier Molina, C | Removed From 10-Day IL (Tendon strain in right thumb) |
| 6/10 | Merandy Gonzalez, P | Outrighted to Minors |
| 6/10 | Ryan Helsley, P | Called Up from Minors |
| 6/10 | Andrew Knizner, C | Sent to Minors |
| 6/10 | Adam Wainwright, P | Placed on 10-Day IL (Strained left hamstring) |
| 6/9 | Daniel Ponce de Leon, P | Called Up from Minors |
| 6/8 | Tommy Edman, 3B | Purchased From Minors |
| 6/8 | Merandy Gonzalez, P | Designated for Assignment |
| 6/8 | Ryan Helsley, P | Sent to Minors |
| 6/5 | Génesis Cabrera, P | Sent to Minors |
| 6/5 | Ryan Helsley, P | Called Up from Minors |
| 5/31 | Andrew Knizner, C | Purchased From Minors |
| 5/31 | Yadier Molina, C | Placed on 10-Day IL (Tendon strain in right thumb) |
| 5/29 | Génesis Cabrera, P | Called Up from Minors |
| 5/28 | Lane Thomas, CF | Sent to Minors |
| 5/22 | Luke Gregerson, P | Cleared Waivers and Became a Free Agent |
| 5/22 | Ryan Helsley, P | Sent to Minors |
| 5/22 | Lane Thomas, CF | Called Up from Minors (recalled as 26th roster player) |
| 5/20 | Luke Gregerson, P | Released |
| 5/17 | Luke Gregerson, P | Designated for Assignment |
| 5/17 | Ryan Helsley, P | Called Up from Minors |
| 5/17 | Dominic Leone, P | Sent to Minors |
| 5/17 | Carlos Martínez, P | Recalled From Minors Rehab Assignment |
| 5/17 | Carlos Martínez, P | Removed From 10-Day IL (Right shoulder cuff strain) |
| 5/5 | Carlos Martínez, P | Sent to Minors For Rehabilitation |
| 5/5 | Justin Williams, RF | Removed From 10-Day IL (Second metacarpal fracture, right hand) |
| 5/5 | Justin Williams, RF | Sent to Minors |
| 5/4 | Luke Gregerson, P | Removed From 10-Day IL (Right shoulder impingement) |
| 5/3 | Luke Gregerson, P | Recalled From Minors Rehab Assignment |
| 5/3 | Tyler O'Neill, RF | Sent to Minors |
| 4/29 | Michael Wacha, P | Removed From 10-Day IL (Left knee patellar tendinitis) |
| 4/28 | Ryan Helsley, P | Sent to Minors |
| 4/26 | Tyler O'Neill, RF | Recalled From Minors Rehab Assignment |
| 4/26 | Tyler O'Neill, RF | Removed From 10-Day IL (Ulnar nerve subluxation, right elbow) |
| 4/26 | Lane Thomas, CF | Sent to Minors |
| 4/24 | Harrison Bader, CF | Removed From 10-Day IL (Strained right hamstring) |
| 4/24 | Daniel Ponce de Leon, P | Sent to Minors |
| 4/23 | Tyler O'Neill, RF | Sent to Minors For Rehabilitation |
| 4/23 | Daniel Ponce de Leon, P | Called Up from Minors |
| 4/22 | Drew Robinson, CF | Called Up from Minors |
| 4/22 | Drew Robinson, CF | Sent to Minors |
| 4/22 | Michael Wacha, P | Placed on 10-Day IL (Left knee patellar tendinitis) |
| 4/17 | Harrison Bader, CF | Placed on 10-Day IL (Strained right hamstring) |
| 4/17 | Lane Thomas, CF | Called Up from Minors |
| 4/16 | Giovanny Gallegos, P | Called Up from Minors |
| 4/16 | Ryan Helsley, P | Called Up from Minors |
| 4/16 | Mike Mayers, P | Placed on 10-Day IL (Right shoulder lat strain) |
| 4/16 | Yairo Muñoz, SS | Called Up from Minors |
| 4/16 | Tyler O'Neill, RF | Placed on 10-Day IL (Ulnar nerve subluxation, right elbow) |
| 4/15 | Giovanny Gallegos, P | Sent to Minors |
| 4/15 | Drew Robinson, CF | Called Up from Minors |
| 4/15 | Drew Robinson, CF | Sent to Minors |
| 4/14 | Yairo Muñoz, SS | Return of 26th man |
| 4/13 | Yairo Muñoz, SS | Called Up from Minors (recalled as 26th roster player) |
| 4/10 | Matt Carpenter, 3B | Signed ( 2020-2021; Opt 2022)(two-year extension) |
| 4/7 | Giovanny Gallegos, P | Called Up from Minors |
| 4/7 | Tyler Webb, P | Called Up from Minors |
| 4/6 | Yairo Muñoz, SS | Sent to Minors |
| 4/6 | Alex Reyes, P | Sent to Minors |
| 4/5 | Jedd Gyorko, 3B | Removed From 10-Day IL (Right calf strain) |
| 4/4 | Luke Gregerson, P | Sent to Minors For Rehabilitation |
| 4/4 | Drew Robinson, CF | Sent to Minors |
| 3/28 | Brett Cecil, P | Transferred to 60-Day IL (Carpal tunnel syndrome, left hand) |
| 3/28 | Merandy Gonzalez, P | Acquired Off Waivers San Francisco |
| 3/28 | Merandy Gonzalez, P | Sent to Minors |
| 3/28 | Yefri Pérez, CF | Released |
| 3/27 | Chasen Shreve, P | Outrighted to Minors |
| 3/25 | Brett Cecil, P | Placed on 10-Day IL (Carpal tunnel syndrome, left hand) |
| 3/25 | Luke Gregerson, P | Placed on 10-Day IL (Right shoulder impingement) |
| 3/25 | Jedd Gyorko, 3B | Placed on 10-Day IL (Right calf strain) |
| 3/25 | Carlos Martínez, P | Placed on 10-Day IL (Right shoulder cuff strain) |
| 3/25 | Tyler Webb, P | Sent to Minors |
| 3/25 | Justin Williams, RF | Placed on 10-Day IL (Second metacarpal fracture, right hand) |
| 3/23 | Paul Goldschmidt, 1B | Signed ( 2020-2024)(five-year extension) |
| 3/22 | Chasen Shreve, P | Designated for Assignment |
| 3/22 | Matt Wieters, C | Purchased From Minors |
| 3/20 | Austin Gomber, P | Sent to Minors |
| 3/20 | Daniel Ponce de Leon, P | Sent to Minors |
| 3/11 | Ramón Urías, SS | Sent to Minors |
| 3/10 | Lane Thomas, CF | Sent to Minors |
| 3/9 | Génesis Cabrera, P | Sent to Minors |
| 3/9 | Giovanny Gallegos, P | Sent to Minors |
| 3/9 | Adolis García, RF | Sent to Minors |
| 3/9 | Edmundo Sosa, SS | Sent to Minors |
| 3/8 | Ryan Helsley, P | Sent to Minors |
| 2/27 | Matt Wieters, C | Signed to a Minor League Contract |
| 2/26 | Miles Mikolas, P | Signed ( 2020-2023)(four-year extension) |
| 2/23 | José Martínez, 1B | Signed ( 2019-2020)(two-year contract) |
| 1/11 | Dominic Leone, P | Signed ( 2019)(avoids arbitration) |
| 1/11 | Marcell Ozuna, LF | Signed ( 2019)(avoids arbitration) |
| 1/11 | Michael Wacha, P | Signed ( 2019)(avoids arbitration) |
| 1/4 | Ryan Meisinger, P | Outrighted to Minors |
| 12/27 | Francisco Peña, C | Signed to a Minor League Contract |
| 12/21 | Ryan Meisinger, P | Designated for Assignment |
| 12/21 | Andrew Miller, P | Signed as Free Agent ( 2019-2020; Opt 2021)(two-year contract) |
| 12/11 | Drew Robinson, CF | Traded Texas (for 3B Patrick Wisdom) |
| 12/10 | Ryan Meisinger, P | Acquired Off Waivers Baltimore |
| 12/9 | Jerome Williams, P | Retired |
| 12/5 | Paul Goldschmidt, 1B | Traded Arizona (for RHP Luke Weaver, four-player deal) |
| 11/30 | Chris Beck, P | Signed to a Minor League Contract |
| 11/30 | Chasen Shreve, P | Signed ( 2019)(avoids arbitration) |
| 11/20 | Génesis Cabrera, P | Purchased From Minors |
| 11/20 | Conner Greene, P | Designated for Assignment |
| 11/20 | Ryan Helsley, P | Purchased From Minors |
| 11/20 | Lane Thomas, CF | Purchased From Minors |
| 11/20 | Ramón Urías, SS | Purchased From Minors |
| 11/19 | Hunter Cervenka, P | Signed to a Minor League Contract |
| 11/19 | Mike Hauschild, P | Signed to a Minor League Contract |
| 11/14 | Joe Hudson, C | Signed to a Minor League Contract |
| 11/14 | Tommy Layne, P | Signed to a Minor League Contract |
| 11/14 | Williams Pérez, P | Signed to a Minor League Contract |
| 11/2 | Steven Baron, C | Declared Free Agency |
| 11/2 | Tommy Layne, P | Declared Free Agency |
| 11/2 | Alex Mejia, SS | Declared Free Agency |
| 11/2 | Edward Mujica, P | Declared Free Agency |
| 11/2 | Wilfredo Tovar, SS | Declared Free Agency |
| 11/1 | Dexter Fowler, CF | Removed From 60-Day DL (Fractured left foot) |
| 11/1 | Luke Gregerson, P | Removed From 60-Day DL (Right shoulder impingement) |
| 11/1 | Francisco Peña, C | Outrighted to Minors |
| 11/1 | Francisco Peña, C | Declared Free Agency |
| 11/1 | Alex Reyes, P | Removed From 60-Day DL (Back surgery - out for season) |
| 11/1 | Michael Wacha, P | Removed From 60-Day DL (Left oblique strain) |
| 10/29 | Matt Adams, 1B | Declared Free Agency |
| 10/29 | Bud Norris, P | Declared Free Agency |
| 10/29 | Tyson Ross, P | Declared Free Agency |
| 10/29 | Adam Wainwright, P | Declared Free Agency |
| 10/29 | Adam Wainwright, P | Signed as Free Agent ( 2019)(one-year contract) |
| 10/1 | Matt Bowman, P | Called Up from Minors - Not to Report |
| 10/1 | Conner Greene, P | Called Up from Minors - Not to Report |
| 10/1 | Tyler Lyons, P | Refused Minor League Assignment - Free Agent |
| 10/1 | Justin Williams, RF | Called Up from Minors - Not to Report |
Last updated Aug. 21, 1:55 A.M. ET
© 2019 by STATS.Any commercial use or distribution without the express written consent of STATS is strictly prohibited.