Marlins Roster & Staff
Transactions
| Date | Transaction |
| 11/19/24 | Miami Marlins selected the contract of LHP Dax Fulton from Pensacola Blue Wahoos. |
| 11/19/24 | Miami Marlins selected the contract of SS Jared Serna from Jacksonville Jumbo Shrimp. |
| 11/19/24 | Miami Marlins selected the contract of 3B Deyvison De Los Santos from Jacksonville Jumbo Shrimp. |
| 11/15/24 | Miami Marlins sent RHP Christian Roa outright to Jacksonville Jumbo Shrimp. |
| 11/13/24 | LHP John Rooney assigned to Miami Marlins. |
| 11/13/24 | Miami Marlins signed free agent OF Ronny Simon to a minor league contract. |
| 11/13/24 | Miami Marlins signed free agent RF Heriberto Hernandez to a minor league contract. |
| 11/05/24 | Toronto Blue Jays claimed RHP Michael Petersen off waivers from Miami Marlins. |
| 11/04/24 | Miami Marlins activated RHP Christian Roa. |
| 11/04/24 | Miami Marlins activated LHP Braxton Garrett from the 60-day injured list. |
| 11/04/24 | Miami Marlins activated RHP Sandy Alcantara from the 60-day injured list. |
| 11/04/24 | Miami Marlins activated RHP Eury Pérez from the 60-day injured list. |
| 11/04/24 | Miami Marlins activated RHP Sixto Sánchez from the 60-day injured list. |
| 11/04/24 | Miami Marlins activated LHP Andrew Nardi from the 60-day injured list. |
| 11/04/24 | Miami Marlins activated LHP Jesús Luzardo from the 60-day injured list. |
| 11/04/24 | Philadelphia Phillies claimed RHP John McMillon off waivers from Miami Marlins. |
| 11/04/24 | Miami Marlins sent RHP Sixto Sánchez outright to Jacksonville Jumbo Shrimp. |
| 11/04/24 | Miami Marlins sent LHP Josh Simpson outright to Jacksonville Jumbo Shrimp. |
| 11/04/24 | Athletics claimed RHP Anthony Maldonado off waivers from Miami Marlins. |
| 11/04/24 | Miami Marlins selected the contract of RHP Luarbert Arias from Jacksonville Jumbo Shrimp. |
| 11/01/24 | Miami Marlins claimed RHP Christian Roa off waivers from Cincinnati Reds. |
| 11/01/24 | St. Louis Cardinals claimed RHP Roddery Muñoz off waivers from Miami Marlins. |
| 11/01/24 | Miami Marlins sent RHP Darren McCaughan outright to Jacksonville Jumbo Shrimp. |
| 11/01/24 | Miami Marlins sent RHP Shaun Anderson outright to Jacksonville Jumbo Shrimp. |
| 11/01/24 | Miami Marlins sent RHP Adam Oller outright to Jacksonville Jumbo Shrimp. |
| 11/01/24 | Miami Marlins sent LF David Hensley outright to Jacksonville Jumbo Shrimp. |