Columbia Fireflies Roster & Staff
Columbia Transactions
| Date | Transaction |
| 05/23/23 | Columbia Fireflies released OF Gary Camarillo. |
| 05/09/23 | Columbia Fireflies activated RHP Chase Wallace. |
| 05/09/23 | Columbia Fireflies activated RHP Mauricio Veliz. |
| 05/09/23 | RHP Cruz Noriega assigned to Quad Cities River Bandits from Columbia Fireflies. |
| 05/09/23 | RHP John McMillon assigned to Quad Cities River Bandits from Columbia Fireflies. |
| 05/04/23 | RHP Jonatan Bernal roster status changed by Columbia Fireflies. |