Columbia Fireflies Roster & Staff
Columbia Transactions
| Date | Transaction |
| 06/26/25 | RHP Jose Gutierrez assigned to Columbia Fireflies from ACL Royals. |
| 06/24/25 | C Dionmy Salon assigned to Quad Cities River Bandits from Columbia Fireflies. |
| 06/24/25 | RHP Dennis Colleran assigned to Quad Cities River Bandits from Columbia Fireflies. |
| 06/24/25 | 1B Derlin Figueroa assigned to Quad Cities River Bandits from Columbia Fireflies. |
| 06/23/25 | C Aldrin Lucas assigned to Columbia Fireflies from ACL Royals. |
| 06/23/25 | C Jorge Hernandez assigned to ACL Royals from Columbia Fireflies. |
| 06/23/25 | SS Yandel Ricardo assigned to Columbia Fireflies from ACL Royals. |
| 06/17/25 | Columbia Fireflies placed RHP Blake Wolters on the 7-day injured list retroactive to June 16, 2025. |
| 06/16/25 | Columbia Fireflies placed RHP Blake Wolters on the 7-day injured list. |
| 06/14/25 | RHP Emmanuel Reyes assigned to Columbia Fireflies from ACL Royals. |
| 06/12/25 | Columbia Fireflies placed OF Giullianno Allende on the 7-day injured list. |
| 06/10/25 | Columbia Fireflies activated C Hyungchan Um from the 7-day injured list. |
| 06/10/25 | SS Colton Becker assigned to Columbia Fireflies from Quad Cities River Bandits. |
| 06/03/25 | Columbia Fireflies transferred RHP Tanner Jones from the 7-day injured list to the 60-day injured list. |
| 06/03/25 | Columbia Fireflies transferred RHP Tanner Jones from the 7-day injured list to the 60-day injured list. |
| 06/03/25 | LHP Jacob Widener assigned to Quad Cities River Bandits from Columbia Fireflies. |
| 06/02/25 | Columbia Fireflies placed C Ramon Ramirez on the 7-day injured list. |
| 06/02/25 | Columbia Fireflies placed C Ramon Ramirez on the 7-day injured list. |