D-backs Roster & Staff
Transactions
| Date | Transaction |
| 09/13/26 | Arizona Diamondbacks designated LF Lourdes Gurriel Jr. for assignment. |
| 09/13/26 | Arizona Diamondbacks recalled DH Jose Fernandez from Reno Aces. |
| 09/12/26 | Arizona Diamondbacks placed 1B Tyler Locklear on the 60-day injured list. Fractured right thumb. |
| 09/12/26 | Arizona Diamondbacks optioned DH Adrian Del Castillo to Reno Aces. |
| 09/12/26 | Arizona Diamondbacks recalled 1B Tyler Locklear from Reno Aces. |
| 09/12/26 | Arizona Diamondbacks selected the contract of 1B Pavin Smith from Reno Aces. |
| 09/09/26 | Arizona Diamondbacks activated RHP Michael Soroka from the 15-day injured list. |
| 09/09/26 | Arizona Diamondbacks activated RHP Zac Gallen from the 60-day injured list. |
| 09/09/26 | Arizona Diamondbacks optioned RHP Kade Strowd to Reno Aces. |
| 09/09/26 | Arizona Diamondbacks optioned LHP Blake Walston to Reno Aces. |
| 09/08/26 | Arizona Diamondbacks released LF Max Kepler. |
| 09/08/26 | Arizona Diamondbacks sent RHP Ryne Nelson on a rehab assignment to Reno Aces. |
| 09/08/26 | Arizona Diamondbacks activated RHP Corbin Burnes from the 60-day injured list. |
| 09/08/26 | Arizona Diamondbacks recalled RHP Kade Strowd from Reno Aces. |
| 09/08/26 | Arizona Diamondbacks optioned RHP Jose Cabrera to Reno Aces. |
| 09/08/26 | Arizona Diamondbacks optioned RHP Gerardo Carrillo to Reno Aces. |
| 09/06/26 | Arizona Diamondbacks designated LF Max Kepler for assignment. |
| 09/06/26 | Arizona Diamondbacks recalled DH Adrian Del Castillo from Reno Aces. |
| 09/06/26 | Houston Astros claimed CF Jorge Barrosa off waivers from Arizona Diamondbacks. |
| 09/05/26 | Arizona Diamondbacks sent RHP Ryne Nelson on a rehab assignment to Visalia Rawhide. |
| 09/05/26 | Arizona Diamondbacks sent RHP Ryne Nelson on a rehab assignment to Visalia Rawhide. |
| 09/04/26 | Arizona Diamondbacks activated LF Tommy Troy from the 10-day injured list. |
| 09/04/26 | Arizona Diamondbacks designated CF Jorge Barrosa for assignment. |
| 09/01/26 | Arizona Diamondbacks transferred RHP Ryan Thompson from the 15-day injured list to the 60-day injured list. Strained lower back. |
| 09/01/26 | Arizona Diamondbacks activated LF Lourdes Gurriel Jr. from the 10-day injured list. |
| 09/01/26 | Arizona Diamondbacks activated LHP Blake Walston from the 60-day injured list. |