D-backs Roster & Staff
Transactions
| Date | Transaction |
| 07/21/26 | Arizona Diamondbacks placed RHP Drey Jameson on the 15-day injured list retroactive to July 20, 2026. Right hip inflammation. |
| 07/21/26 | Arizona Diamondbacks recalled RHP Gerardo Carrillo from Reno Aces. |
| 07/21/26 | Arizona Diamondbacks recalled LHP Kohl Drake from Reno Aces. |
| 07/21/26 | Arizona Diamondbacks optioned RHP Juan Burgos to Reno Aces. |
| 07/20/26 | Arizona Diamondbacks signed RHP Josh McDevitt. |
| 07/20/26 | Arizona Diamondbacks signed RHP Joseph Jasso. |
| 07/20/26 | Arizona Diamondbacks signed LHP Caleb Jameson. |
| 07/20/26 | Arizona Diamondbacks signed SS Carson Kerce. |
| 07/20/26 | Arizona Diamondbacks signed C Ryder Helfrick. |
| 07/20/26 | Arizona Diamondbacks signed RHP Mason Steele. |
| 07/20/26 | Arizona Diamondbacks signed RHP Andrew Evans. |
| 07/20/26 | Arizona Diamondbacks signed OF Brayden Dowd. |
| 07/20/26 | Arizona Diamondbacks signed SS Jack Spanier. |
| 07/20/26 | Arizona Diamondbacks signed C Weber Neels. |
| 07/20/26 | Arizona Diamondbacks signed RHP Brannon Westmoreland. |
| 07/20/26 | Arizona Diamondbacks signed OF Jake Duer. |
| 07/20/26 | Arizona Diamondbacks signed LHP Micah Worley. |
| 07/20/26 | Arizona Diamondbacks signed RHP Carson Turnquist. |
| 07/20/26 | Arizona Diamondbacks signed OF Paul Schoenfeld. |
| 07/20/26 | Arizona Diamondbacks signed 1B Chris Katz. |
| 07/20/26 | Arizona Diamondbacks signed RHP Blake Bryant. |
| 07/20/26 | Arizona Diamondbacks signed RHP LJ Mercurius. |
| 07/20/26 | Arizona Diamondbacks signed RHP Andrew Wertz. |
| 07/20/26 | Arizona Diamondbacks signed 1B Cody Boshell. |
| 07/20/26 | Arizona Diamondbacks optioned LHP Philip Abner to Reno Aces. |
| 07/20/26 | Arizona Diamondbacks recalled RHP Juan Burgos from Reno Aces. |
| 07/18/26 | Arizona Diamondbacks placed LF Lourdes Gurriel Jr. on the 10-day injured list. Right adductor strain. |
| 07/18/26 | Arizona Diamondbacks selected the contract of RHP Gerardo Carrillo from Reno Aces. |
| 07/18/26 | Arizona Diamondbacks recalled DH Adrian Del Castillo from Reno Aces. |
| 07/17/26 | Arizona Diamondbacks recalled 1B Tyler Locklear from Reno Aces. |
| 07/15/26 | Arizona Diamondbacks placed LF Tommy Troy on the 10-day injured list retroactive to July 12, 2026. Sprained right AC joint. |
| 07/15/26 | Arizona Diamondbacks sent 1B Pavin Smith outright to Reno Aces. |
| 07/15/26 | Arizona Diamondbacks sent 1B Pavin Smith outright to Reno Aces. |
| 07/12/26 | Arizona Diamondbacks placed RHP Zac Gallen on the 15-day injured list retroactive to July 9, 2026. Right elbow inflammation. |
| 07/12/26 | Arizona Diamondbacks recalled LHP Mitch Bratt from Reno Aces. |
| 07/10/26 | Arizona Diamondbacks designated 1B Pavin Smith for assignment. |
| 07/10/26 | Arizona Diamondbacks recalled CF Ryan Waldschmidt from Reno Aces. |
| 07/09/26 | Arizona Diamondbacks optioned RHP Jose Cabrera to Reno Aces. |
| 07/09/26 | Arizona Diamondbacks recalled LHP Philip Abner from Reno Aces. |
| 07/06/26 | Arizona Diamondbacks activated C James McCann from the 10-day injured list. |
| 07/06/26 | Arizona Diamondbacks optioned DH Adrian Del Castillo to Reno Aces. |
| 07/05/26 | Arizona Diamondbacks optioned 1B LuJames Groover to Reno Aces. |
| 07/05/26 | Arizona Diamondbacks recalled LF Tim Tawa from Reno Aces. |
| 07/02/26 | Arizona Diamondbacks sent C James McCann on a rehab assignment to Reno Aces. |