| 9/1/19 |
Arizona Diamondbacks selected the contract of OF Abraham Almonte from Reno Aces. |
| 9/1/19 |
Arizona Diamondbacks recalled RHP Jon Duplantier from Reno Aces. |
| 9/1/19 |
Arizona Diamondbacks recalled 1B Kevin Cron from Reno Aces. |
| 9/1/19 |
Arizona Diamondbacks recalled C Caleb Joseph from Reno Aces. |
| 9/1/19 |
Arizona Diamondbacks recalled RHP Stefan Crichton from Reno Aces. |
| 9/1/19 |
Arizona Diamondbacks recalled LHP Robby Scott from Reno Aces. |
| 9/2/19 |
Arizona Diamondbacks recalled RHP Jimmie Sherfy from Reno Aces. |
| 9/6/19 |
Arizona Diamondbacks sent RHP Yoshihisa Hirano on a rehab assignment to Visalia Rawhide. |
| 9/6/19 |
Arizona Diamondbacks recalled 2B Domingo Leyba from Reno Aces. |
| 9/8/19 |
Arizona Diamondbacks activated RHP Yoshihisa Hirano from the 10-day injured list. |
| 9/13/19 |
Arizona Diamondbacks sent RHP Luke Weaver on a rehab assignment to Visalia Rawhide. |