| Transactions |
| Date | Team | Player | Type | OthTm | EffDate | When |
| 4/6/2015 | CAR | Butera | Demoted to reserve roster | | | Before |
| 4/8/2015 | TEW | Descalso | Promoted to active roster | | | Before |
| 4/8/2015 | TEW | Mercer | Placed on Injured List | | 4/7/2015 | Before |
| 4/12/2015 | CEN | Blevins | Promoted to active roster | | | Before |
| 4/12/2015 | CEN | Guerra,Ju | Demoted to reserve roster | | | Before |
| 4/16/2015 | NEP | Givens | Placed on Injured List | | 4/16/2015 | Before |
| 4/16/2015 | NEP | Morales,F | Promoted to active roster | | | Before |
| 4/18/2015 | NEP | Jackson,E | Promoted to active roster | | | Before |
| 4/18/2015 | NEP | Quintana | Placed on Injured List | | 4/18/2015 | Before |
| 4/21/2015 | CAR | Johnson,C | Promoted to active roster | | | Before |
| 4/21/2015 | CAR | Ross,J | Demoted to reserve roster | | | Before |
| 4/21/2015 | NEP | Guyer | Demoted to reserve roster | | | Before |
| 4/21/2015 | NEP | Matz | Promoted to active roster | | | Before |
| 4/22/2015 | TEW | Garza | Placed on Injured List | | 4/22/2015 | Before |
| 4/22/2015 | TEW | Wainwright | Promoted to active roster | | | Before |
| 4/24/2015 | TEW | Colome | Placed on Injured List | | 4/24/2015 | Before |
| 4/24/2015 | TEW | Vincent | Promoted to active roster | | | Before |
| 4/25/2015 | CEN | Bedrosian | Placed on Injured List | | 4/25/2015 | Before |
| 4/25/2015 | CEN | Blevins | Demoted to reserve roster | | | Before |
| 4/25/2015 | CEN | Dickey | Promoted to active roster | | | Before |
| 4/25/2015 | CEN | Luetge | Promoted to active roster | | | Before |
| 4/26/2015 | CEN | Jennings,Da | Promoted to active roster | | | Before |
| 4/26/2015 | CEN | Luetge | Demoted to reserve roster | | | Before |
| 4/28/2015 | GAR | Dickerson,C | Placed on Injured List | | 4/27/2015 | Before |
| 4/28/2015 | GAR | Robinson,C | Promoted to active roster | | | Before |
| 4/29/2015 | CIN | Drury | Promoted to active roster | | | Before |
| 4/29/2015 | CIN | Iglesias,J | Placed on Injured List | | 4/29/2015 | Before |
| 4/29/2015 | GAR | Herrera,O | Placed on Injured List | | 4/29/2015 | Before |
| 4/29/2015 | GAR | Shuck | Promoted to active roster | | | Before |
| 4/30/2015 | NEP | Colabello | Promoted to active roster | | | Before |
| 4/30/2015 | NEP | Conforto | Demoted to reserve roster | | | Before |
| 4/30/2015 | NEP | Miller,B | Promoted to active roster | | | Before |
| 4/30/2015 | NEP | Ruf | Demoted to reserve roster | | | Before |
| 5/1/2015 | NEP | Fields,J | Demoted to reserve roster | | | Before |
| 5/1/2015 | NEP | Givens | Activated from Injured List | | | Before |
| 5/1/2015 | NEP | Ruf | Promoted to active roster | | | Before |
| 5/1/2015 | NEP | Ruggiano | Demoted to reserve roster | | | Before |
| 5/3/2015 | GAR | Duffey | Promoted to active roster | | | Before |
| 5/3/2015 | GAR | Pineda | Demoted to reserve roster | | | Before |
| 5/3/2015 | NEP | Matz | Demoted to reserve roster | | | Before |
| 5/3/2015 | NEP | Quintana | Activated from Injured List | | | Before |