Marlins Roster & Staff
Transactions
| Date | Transaction |
| 07/23/26 | Miami Marlins signed RHP Cole Selvig. |
| 07/23/26 | Miami Marlins signed RHP Colin Linder. |
| 07/23/26 | Miami Marlins signed SS Cam Kozeal. |
| 07/23/26 | Miami Marlins sent RHP Josh Ekness on a rehab assignment to Jacksonville Jumbo Shrimp. |
| 07/23/26 | Miami Marlins signed RHP Connor Benge. |
| 07/23/26 | Miami Marlins signed LHP Trey Beard. |
| 07/23/26 | Miami Marlins signed RHP Bane Barker. |
| 07/23/26 | Miami Marlins activated LHP John King from the 15-day injured list. |
| 07/23/26 | Miami Marlins signed RHP Tyler Kapa. |
| 07/23/26 | Miami Marlins signed SS Eric Guevara. |
| 07/23/26 | Miami Marlins signed RHP Ryan Peterson. |
| 07/23/26 | Miami Marlins signed RHP Zach Peters. |
| 07/23/26 | Miami Marlins signed 1B Rintaro Sasaki. |
| 07/23/26 | Miami Marlins signed RHP Jackson Mitchell. |
| 07/23/26 | Miami Marlins signed RHP Fabio Bundi. |
| 07/23/26 | Miami Marlins signed OF Wessley Roberson. |
| 07/23/26 | Miami Marlins signed 3B Nic Tolbert. |
| 07/23/26 | Miami Marlins signed LHP Ethan Kleinschmit. |
| 07/23/26 | Miami Marlins signed RHP Duke McCarron. |
| 07/23/26 | Miami Marlins signed OF Jatniel McCloud. |
| 07/23/26 | Miami Marlins optioned RHP Zach Brzykcy to Jacksonville Jumbo Shrimp. |
| 07/20/26 | Miami Marlins placed RHP Max Meyer on the 15-day injured list retroactive to July 19, 2026. Neck strain. |
| 07/20/26 | Miami Marlins recalled RHP Zach Brzykcy from Jacksonville Jumbo Shrimp. |
| 07/19/26 | Miami Marlins signed RHP Porter Buursema. |
| 07/19/26 | Miami Marlins recalled 3B Graham Pauley from Jacksonville Jumbo Shrimp. |
| 07/19/26 | Miami Marlins optioned RF Rece Hinds to Jacksonville Jumbo Shrimp. |
| 07/16/26 | Miami Marlins signed SS Jacob Lombard. |
| 07/14/26 | Miami Marlins signed free agent RHP Paul Mendoza to a minor league contract. |
| 07/12/26 | Miami Marlins placed RHP William Kempner on the 15-day injured list. Right elbow sprain. |
| 07/12/26 | Miami Marlins recalled LHP Dax Fulton from Jacksonville Jumbo Shrimp. |
| 07/09/26 | Miami Marlins activated RHP Janson Junk from the 15-day injured list. |
| 07/09/26 | Miami Marlins placed RF Owen Caissie on the 10-day injured list. Right calf strain. |
| 07/09/26 | Miami Marlins placed LHP John King on the 15-day injured list retroactive to July 8, 2026. Left lateral ankle sprain. |
| 07/09/26 | Miami Marlins optioned RHP Zach Brzykcy to Jacksonville Jumbo Shrimp. |
| 07/09/26 | Miami Marlins recalled RF Rece Hinds from Jacksonville Jumbo Shrimp. |
| 07/09/26 | Miami Marlins recalled RHP Ryan Gusto from Jacksonville Jumbo Shrimp. |
| 07/08/26 | Miami Marlins signed free agent RHP Lizdawin Paulino to a minor league contract. |
| 07/08/26 | Miami Marlins signed free agent RHP Guillermo Regalado to a minor league contract. |
| 07/04/26 | Miami Marlins signed free agent RHP Jonawel Valdez to a minor league contract. |
| 07/03/26 | Miami Marlins recalled RHP William Kempner from Jacksonville Jumbo Shrimp. |
| 07/03/26 | Miami Marlins optioned RHP Ryan Gusto to Jacksonville Jumbo Shrimp. |
| 07/02/26 | Miami Marlins signed free agent C Daniel Pena to a minor league contract. |