Marlins Roster & Staff
Transactions
| Date | Transaction |
| 08/11/26 | Miami Marlins placed 1B Kyle Stowers on the 10-day injured list retroactive to August 10, 2026. Left hamstring strain. |
| 08/11/26 | Miami Marlins recalled 3B Graham Pauley from Jacksonville Jumbo Shrimp. |
| 08/10/26 | Miami Marlins signed free agent RHP Colby Guy to a minor league contract. |
| 08/10/26 | Miami Marlins claimed RHP Wikelman González off waivers from Chicago White Sox. |
| 08/10/26 | Miami Marlins optioned RHP Wikelman González to Jacksonville Jumbo Shrimp. |
| 08/05/26 | Miami Marlins traded 1B Jacob Berry to Kansas City Royals. |
| 08/04/26 | Miami Marlins activated RHP Victor Vodnik. |
| 08/04/26 | Miami Marlins recalled C Agustín Ramírez from Jacksonville Jumbo Shrimp. |
| 08/03/26 | Miami Marlins activated RHP Josh Ekness from the 60-day injured list. |
| 08/03/26 | Miami Marlins traded RHP Lake Bachar to Pittsburgh Pirates for RHP Brandan Bidois, LF Brian Sanchez and IF Hyun Seung Lee. |
| 08/03/26 | Miami Marlins traded RHP Lake Bachar to Pittsburgh Pirates for RHP Brandan Bidois, LF Brian Sanchez and IF Hyun Seung Lee. |
| 08/03/26 | Colorado Rockies traded RHP Victor Vodnik to Miami Marlins for 1B Connor Norby and RHP Aiden May. |
| 08/03/26 | Colorado Rockies traded RHP Victor Vodnik to Miami Marlins for 1B Connor Norby and RHP Aiden May. |
| 08/03/26 | Colorado Rockies traded RHP Victor Vodnik to Miami Marlins for 1B Connor Norby and RHP Aiden May. |
| 08/03/26 | Miami Marlins traded C Liam Hicks to Tampa Bay Rays for 3B Brayden Taylor, SS Adrian Santana and RHP Jacob Kisting. |
| 08/03/26 | Miami Marlins traded RF Rece Hinds to Baltimore Orioles for cash. |
| 08/03/26 | Miami Marlins traded C Liam Hicks to Tampa Bay Rays for 3B Brayden Taylor, SS Adrian Santana and RHP Jacob Kisting. |
| 08/03/26 | Miami Marlins traded C Liam Hicks to Tampa Bay Rays for 3B Brayden Taylor, SS Adrian Santana and RHP Jacob Kisting. |
| 08/03/26 | Miami Marlins optioned LHP Dax Fulton to Jacksonville Jumbo Shrimp. |
| 08/03/26 | Miami Marlins traded LHP Braxton Garrett to Chicago Cubs for 3B Jonathon Long and RHP Jace Beck. |
| 08/03/26 | Miami Marlins traded LHP Braxton Garrett to Chicago Cubs for 3B Jonathon Long and RHP Jace Beck. |
| 08/03/26 | Miami Marlins traded LHP Braxton Garrett to Chicago Cubs for 3B Jonathon Long and RHP Jace Beck. |
| 08/03/26 | Miami Marlins traded C Liam Hicks to Tampa Bay Rays for 3B Brayden Taylor, SS Adrian Santana and RHP Jacob Kisting. |
| 08/03/26 | Miami Marlins selected the contract of RHP Jack Ralston from Jacksonville Jumbo Shrimp. |
| 08/03/26 | Miami Marlins traded RHP Lake Bachar to Pittsburgh Pirates for RHP Brandan Bidois, LF Brian Sanchez and IF Hyun Seung Lee. |
| 08/03/26 | Miami Marlins optioned RHP Jack Ralston to Jacksonville Jumbo Shrimp. |
| 08/03/26 | Miami Marlins traded RHP Lake Bachar to Pittsburgh Pirates for RHP Brandan Bidois, LF Brian Sanchez and IF Hyun Seung Lee. |
| 08/01/26 | Miami Marlins activated RF Owen Caissie from the 10-day injured list. |
| 08/01/26 | Miami Marlins optioned 3B Graham Pauley to Jacksonville Jumbo Shrimp. |