Harrisburg Senators Roster & Staff
Harrisburg Transactions
| Date | Transaction |
| 06/25/26 | RHP Seth Shuman assigned to Harrisburg Senators from Rochester Red Wings. |
| 06/24/26 | RHP Valentin Linarez assigned to FCL Nationals from Harrisburg Senators. |
| 06/24/26 | C Kyle Hayes assigned to Rochester Red Wings from Harrisburg Senators. |
| 06/23/26 | Harrisburg Senators transferred C Kyle Hayes to the Development List. |
| 06/23/26 | LHP Alex Young assigned to Harrisburg Senators from Fredericksburg Nationals. |
| 06/17/26 | Harrisburg Senators sent OF Branden Boissiere on a rehab assignment to FCL Nationals. |
| 06/17/26 | Harrisburg Senators sent OF Branden Boissiere on a rehab assignment to FCL Nationals. |
| 06/16/26 | Harrisburg Senators activated RHP Jhancarlos Lara. |
| 06/16/26 | Harrisburg Senators activated C Kyle Hayes from the Development List. |
| 06/16/26 | Harrisburg Senators activated RHP Jhancarlos Lara. |
| 06/16/26 | RHP Robert Cranz assigned to Rochester Red Wings from Harrisburg Senators. |
| 06/15/26 | Harrisburg Senators released LHP Shinnosuke Ogasawara. |
| 06/13/26 | RHP Erick Mejia assigned to Rochester Red Wings from Harrisburg Senators. |
| 06/12/26 | Harrisburg Senators sent RHP Eriq Swan on a rehab assignment to Wilmington Blue Rocks. |
| 06/12/26 | Washington Nationals optioned RHP Jhancarlos Lara to Harrisburg Senators. |
| 06/09/26 | Harrisburg Senators activated OF T.J. White. |
| 06/09/26 | Harrisburg Senators transferred C Kyle Hayes to the Development List. |
| 06/09/26 | Harrisburg Senators activated OF Ethan Petry. |
| 06/09/26 | SS Devin Fitz-Gerald assigned to Harrisburg Senators from Wilmington Blue Rocks. |
| 06/09/26 | RHP Aaron Shortridge assigned to Harrisburg Senators from Wilmington Blue Rocks. |
| 06/09/26 | OF T.J. White assigned to Harrisburg Senators from Wilmington Blue Rocks. |
| 06/09/26 | OF Elijah Nunez assigned to Wilmington Blue Rocks from Harrisburg Senators. |
| 06/09/26 | OF Ethan Petry assigned to Harrisburg Senators from Wilmington Blue Rocks. |
| 06/06/26 | Harrisburg Senators sent RHP Eriq Swan on a rehab assignment to FCL Nationals. |
| 06/05/26 | Harrisburg Senators released LF Jack Rogers. |
| 06/03/26 | Harrisburg Senators placed RHP Dylan Tebrake on the 60-day injured list. |