Harrisburg Senators Roster & Staff
Harrisburg Transactions
| Date | Transaction |
| 07/18/25 | OF Branden Boissiere assigned to Harrisburg Senators from Wilmington Blue Rocks. |
| 07/14/25 | Harrisburg Senators sent CF Jeremy De La Rosa on a rehab assignment to FCL Nationals. |
| 07/14/25 | Harrisburg Senators sent OF Donta' Williams on a rehab assignment to FCL Nationals. |
| 07/14/25 | Harrisburg Senators transferred RHP Tyler Stuart from the 7-day injured list to the 60-day injured list. |
| 07/13/25 | Washington Nationals recalled RHP Andry Lara from Harrisburg Senators. |
| 07/09/25 | Harrisburg Senators placed RHP Travis Sykora on the 7-day injured list. |
| 07/08/25 | Harrisburg Senators placed 3B Murphy Stehly on the 7-day injured list. |
| 07/08/25 | Washington Nationals sent RHP Orlando Ribalta on a rehab assignment to Harrisburg Senators. |
| 07/08/25 | Washington Nationals sent RHP Orlando Ribalta on a rehab assignment to Harrisburg Senators. |
| 07/08/25 | RHP Jack Sinclair assigned to Harrisburg Senators from Rochester Red Wings. |
| 07/06/25 | RHP Miguel Gomez assigned to Harrisburg Senators from Wilmington Blue Rocks. |
| 07/03/25 | Harrisburg Senators activated C Paul Witt. |
| 07/03/25 | C Paul Witt assigned to Harrisburg Senators from Rochester Red Wings. |
| 07/03/25 | Washington Nationals optioned RHP Andry Lara to Harrisburg Senators. |
| 07/02/25 | Washington Nationals recalled RHP Andry Lara from Harrisburg Senators. |
| 07/01/25 | Harrisburg Senators placed RHP Tyler Stuart on the 7-day injured list. |
| 07/01/25 | Harrisburg Senators placed RHP Tyler Stuart on the 7-day injured list. |
| 07/01/25 | RHP Bryce Conley assigned to Rochester Red Wings from Harrisburg Senators. |