D-backs Roster & Staff
Transactions
| Date | Transaction |
| 05/08/26 | Arizona Diamondbacks activated 1B Tyler Locklear from the 10-day injured list. |
| 05/08/26 | Arizona Diamondbacks designated CF Alek Thomas for assignment. |
| 05/08/26 | Arizona Diamondbacks selected the contract of CF Ryan Waldschmidt from Reno Aces. |
| 05/08/26 | Arizona Diamondbacks optioned 1B Tyler Locklear to Reno Aces. |
| 05/07/26 | Arizona Diamondbacks signed free agent OF Nicola Perdomo to a minor league contract. |
| 05/07/26 | Arizona Diamondbacks sent 1B Tyler Locklear on a rehab assignment to Reno Aces. |
| 05/07/26 | Arizona Diamondbacks sent 1B Tyler Locklear on a rehab assignment to Reno Aces. |
| 05/03/26 | Arizona Diamondbacks sent C Aramis Garcia outright to Reno Aces. |
| 05/03/26 | Arizona Diamondbacks sent 3B Jesus Valdez outright to Amarillo Sod Poodles. |
| 05/02/26 | Arizona Diamondbacks sent 1B Tyler Locklear on a rehab assignment to ACL D-backs. |
| 05/02/26 | Arizona Diamondbacks sent 1B Carlos Santana on a rehab assignment to Reno Aces. |
| 05/02/26 | Arizona Diamondbacks sent 1B Tyler Locklear on a rehab assignment to ACL D-backs. |
| 05/02/26 | Arizona Diamondbacks sent 1B Carlos Santana on a rehab assignment to Reno Aces. |
| 05/01/26 | Arizona Diamondbacks activated C Gabriel Moreno from the 10-day injured list. |
| 05/01/26 | Arizona Diamondbacks designated C Aramis Garcia for assignment. |
| 05/01/26 | Arizona Diamondbacks recalled LHP Brandyn Garcia from Reno Aces. |
| 05/01/26 | Arizona Diamondbacks optioned LHP Philip Abner to Reno Aces. |