| Date | |
|---|---|
| 09/17/19 | Long, Ryan traded to outside league Somerset (Atlantic League) |
| 09/12/19 | Wright, Taylor traded to outside league Somerset (Atlantic League) |
| 09/11/19 | Welch, Jake traded to outside league York (Atlantic League) |
| 09/11/19 | Nicely, Austin traded to outside league York (Atlantic League) |
| 09/02/19 | Gizzi, Michael Retired |
| 09/01/19 | Almonte, Abraham placed on disabled list (minimum 7 days) |
| 09/01/19 | Vail, Tyler activated |
| 08/14/19 | Becerra, Wuilmer released |
| 08/14/19 | Castro, Carlos released |
| 08/14/19 | Quintana, Matt signed |
| 08/13/19 | Simmons, Kevin released |
| 08/12/19 | Burleton, Matt traded to Joliet Slammers for RHP Matt Quintana |
| 08/12/19 | Lane, Taylor signed |
| 08/12/19 | Norkus, Trace signed |
| 08/06/19 | Almonte, Abraham activated |
| 08/05/19 | Cepeda, Chris released |
| 07/26/19 | Sittinger, Brandyn signed |
| 07/26/19 | Grady, Malcolm released |
| 07/23/19 | Wetrich, Tanner signed |
| 07/22/19 | Gozzo, Jake released |
| 07/20/19 | MacNamee, Elijah signed |
| 07/18/19 | Adams, Jacob placed on disabled list (minimum 7 days) |
| 07/16/19 | Simmons, Kevin signed |
| 07/14/19 | Heldman, Brian released |
| 07/12/19 | Gozzo, Jake signed |
| 07/12/19 | Opp, Cam signed |
| 07/12/19 | Heldman, Brian signed |
| 07/08/19 | Panzarella, Chris released |
| 07/08/19 | Raines, Ashton released |
| 07/08/19 | Hill, Jacob released |
| 07/02/19 | Gizzi, Michael signed |
| 07/02/19 | Phillips, Dakota activated |
| 06/30/19 | Erby, Justin released |
| 06/30/19 | Hulcher, Jacob released |
| 06/28/19 | Phillips, Dakota placed on disabled list (minimum 7 days) |
| 06/26/19 | Beyer, Drew signed |
| 06/25/19 | Raines, Ashton signed |
| 06/24/19 | Maselli, Anthony released |
| 06/24/19 | Almonte, Abraham placed on disabled list (minimum 14 days) |
| 06/24/19 | Adams, Jacob signed |
| 06/22/19 | Hrbek, Danny sold to New York Mets (NL) |
| 06/21/19 | Pucheu, Jacques sold to Cincinnati Reds (NL) |
| 06/17/19 | Williams, Josh released |
| 06/17/19 | Wynne, Randy sold to Cincinnati Reds (NL) |
| 06/15/19 | Pucheu, Jacques signed |
| 06/14/19 | Hulcher, Jacob signed |
| 06/13/19 | Wilkes, Brandon placed on disabled list (minimum 7 days) |
| 06/13/19 | Williams, Josh activated |
| 06/13/19 | Erby, Justin activated |
| 06/13/19 | Presley, Brandon released |
| 06/13/19 | Hansen, Mitchell released |
| 06/13/19 | Rowland, Matt released |
| 06/10/19 | McGuff, Patrick sold to Arizona Diamondbacks (NL) |
| 06/04/19 | Williams, Josh placed on disabled list (minimum 7 days) |
| 06/01/19 | Browne, P.J. released |
| 05/31/19 | Rizzitello, Mike activated |
| 05/29/19 | Lane, Taylor sold to New York Mets (NL) |
| 05/28/19 | Presley, Brandon signed |
| 05/28/19 | Williams, Josh activated |
| 05/23/19 | Erby, Justin placed on disabled list (minimum 14 days) |
| 05/23/19 | Rizzitello, Mike placed on disabled list (minimum 7 days) |
| 04/05/19 | Welch, Jake acquired in trade from Windy City ThunderBolts |