| Date | Transaction |
|---|---|
| 4/12/19 | Miami Marlins optioned OF Peter O'Brien to New Orleans Baby Cakes. |
| 4/12/19 | Miami Marlins recalled LF Austin Dean from New Orleans Baby Cakes. |
| 4/16/19 | Miami Marlins placed RHP Austin Brice on the 10-day injured list. Gastroenteritis. |
| 4/16/19 | Miami Marlins optioned SS JT Riddle to New Orleans Baby Cakes. |
| 4/16/19 | Miami Marlins selected the contract of RF Isaac Galloway from New Orleans Baby Cakes. |
| 4/16/19 | Miami Marlins recalled LHP Jarlin Garcia from New Orleans Baby Cakes. |
