Frederick Keys Roster & Staff
Frederick Transactions
| Date | Transaction |
| 07/12/26 | Frederick Keys activated RHP Joe Glassey from the 7-day injured list. |
| 07/11/26 | Frederick Keys placed LHP Riley Cooper on the 7-day injured list. |
| 07/08/26 | Frederick Keys transferred OF Nate George from the 7-day injured list to the 60-day injured list. |
| 07/07/26 | Chesapeake Baysox sent RHP Patrick Reilly on a rehab assignment to Frederick Keys. |
| 07/07/26 | Chesapeake Baysox sent RHP Patrick Reilly on a rehab assignment to Frederick Keys. |
| 07/07/26 | Frederick Keys activated RHP Trent Turzenski from the 60-day injured list. |
| 07/06/26 | Frederick Keys transferred RHP Tanner Smith from the 7-day injured list to the 60-day injured list. |
| 07/02/26 | Frederick Keys placed C Ryan Stafford on the 7-day injured list. |
| 07/02/26 | LHP Holden deJong assigned to FCL Orioles from Frederick Keys. |
| 07/01/26 | Frederick Keys activated LHP Holden deJong from the 60-day injured list. |
| 07/01/26 | SS Randal Diaz assigned to Frederick Keys. |