Columbia Fireflies Roster & Staff
KC Transactions
| Date | Transaction |
| 07/19/24 | OF Raimel Medina assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/19/24 | IF Charles Nova assigned to DSL Royals Fortuna from DSL Royals Ventura. |
| 07/19/24 | LHP Jose Mejia assigned to DSL Royals Fortuna from DSL Royals Ventura. |
| 07/19/24 | OF Robinson Chacon assigned to DSL Royals Fortuna from DSL Royals Ventura. |
| 07/19/24 | RHP Jesus Oliveira assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/19/24 | C Sandy Ruiz assigned to DSL Royals Fortuna from DSL Royals Ventura. |
| 07/19/24 | RHP Samuel Carmona assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/19/24 | 3B Alexander Orasma assigned to DSL Royals Fortuna from DSL Royals Ventura. |
| 07/19/24 | OF Raimel Medina assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/19/24 | RHP Jorge Herrera assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/19/24 | SS Omar Reyes assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/19/24 | C Rodolfo Durán assigned to Omaha Storm Chasers from Northwest Arkansas Naturals. |
| 07/19/24 | RHP Andrew Hoffmann assigned to Northwest Arkansas Naturals from Omaha Storm Chasers. |
| 07/19/24 | RHP Dinelson Lamet assigned to Omaha Storm Chasers. |
| 07/19/24 | C Rodolfo Durán assigned to Omaha Storm Chasers from Northwest Arkansas Naturals. |
| 07/19/24 | RHP Andrew Hoffmann assigned to Northwest Arkansas Naturals from Omaha Storm Chasers. |
| 07/18/24 | ACL Royals placed RHP Luis Valdez on the full-season injured list. |
| 07/18/24 | RHP Ben Hernandez assigned to Quad Cities River Bandits from Columbia Fireflies. |
| 07/18/24 | C Sandy Ruiz assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/18/24 | RHP Jesus Oliveira assigned to DSL Royals Fortuna from DSL Royals Ventura. |
| 07/18/24 | 3B Alexander Orasma assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/18/24 | RHP Samuel Carmona assigned to DSL Royals Fortuna from DSL Royals Ventura. |
| 07/18/24 | LHP Jose Mejia assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/18/24 | RHP Jorge Herrera assigned to DSL Royals Fortuna from DSL Royals Ventura. |
| 07/18/24 | 3B Alexander Orasma assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/18/24 | LHP Jose Mejia assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/18/24 | RHP Samuel Carmona assigned to DSL Royals Fortuna from DSL Royals Ventura. |
| 07/18/24 | RHP Jorge Herrera assigned to DSL Royals Fortuna from DSL Royals Ventura. |
| 07/18/24 | C Sandy Ruiz assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/18/24 | RHP Jesus Oliveira assigned to DSL Royals Fortuna from DSL Royals Ventura. |
| 07/18/24 | C Carter Jensen assigned to Northwest Arkansas Naturals from Quad Cities River Bandits. |
| 07/18/24 | Kansas City Royals recalled OF Drew Waters from Omaha Storm Chasers. |
| 07/18/24 | C Kyle Hayes assigned to Quad Cities River Bandits from Omaha Storm Chasers. |
| 07/18/24 | C Kyle Hayes assigned to Quad Cities River Bandits from Omaha Storm Chasers. |
| 07/18/24 | C Carter Jensen assigned to Northwest Arkansas Naturals from Quad Cities River Bandits. |
| 07/18/24 | RHP Ben Hernandez assigned to Quad Cities River Bandits from Columbia Fireflies. |
| 07/18/24 | Kansas City Royals signed free agent RHP Dinelson Lamet to a minor league contract. |
| 07/17/24 | SS Anderson Garcia assigned to DSL Royals Fortuna from DSL Royals Ventura. |
| 07/17/24 | RHP Cesar Espinal assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/17/24 | RHP Damian Jimenez assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/17/24 | RHP Carlos Beras assigned to DSL Royals Fortuna from DSL Royals Ventura. |
| 07/17/24 | RHP Marwys Cabrera assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/17/24 | RHP Andy Basora assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/17/24 | RHP Frandy Rodriguez assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/17/24 | SS Marwin Rivero assigned to DSL Royals Fortuna from DSL Royals Ventura. |
| 07/17/24 | 3B Alexander Orasma assigned to DSL Royals Fortuna from DSL Royals Ventura. |
| 07/17/24 | RHP Cesar Espinal assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/17/24 | RHP Frandy Rodriguez assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/17/24 | RHP Damian Jimenez assigned to DSL Royals Ventura from DSL Royals Fortuna. |
| 07/17/24 | RHP Andy Basora assigned to DSL Royals Ventura from DSL Royals Fortuna. |