Columbia Fireflies Roster & Staff
Columbia Transactions
| Date | Transaction |
| 06/09/23 | Columbia Fireflies sent RHP Ben Hernandez on a rehab assignment to ACL Royals. |
| 06/09/23 | RHP Nicholas Regalado assigned to Columbia Fireflies from ACL Royals. |
| 06/08/23 | Columbia Fireflies released 3B Junior Calderon. |
| 06/08/23 | Columbia Fireflies activated SS Austin Charles. |
| 06/08/23 | SS Austin Charles assigned to Columbia Fireflies from ACL Royals. |
| 06/05/23 | OF David Hollie assigned to Quad Cities River Bandits from Columbia Fireflies. |
| 06/03/23 | Columbia Fireflies placed SS Brennon McNair on the 7-day injured list retroactive to June 2, 2023. |
| 06/03/23 | Columbia Fireflies placed LHP Frank Mozzicato on the 7-day injured list retroactive to June 2, 2023. |