D-backs Roster & Staff
Transactions
| Date | Transaction |
| 06/29/25 | Arizona Diamondbacks signed free agent RHP Jhossua Castro to a minor league contract. |
| 06/28/25 | Arizona Diamondbacks designated RHP Tayler Scott for assignment. |
| 06/28/25 | Arizona Diamondbacks selected the contract of RHP John Curtiss from Reno Aces. |
| 06/27/25 | Arizona Diamondbacks sent C Aramis Garcia outright to Reno Aces. |
| 06/26/25 | Arizona Diamondbacks signed free agent RHP Daniel Mengden to a minor league contract. |
| 06/26/25 | Arizona Diamondbacks signed free agent OF Albert Almora Jr. to a minor league contract. |
| 06/25/25 | Arizona Diamondbacks signed free agent RHP Juan Ledezma to a minor league contract. |
| 06/25/25 | Arizona Diamondbacks signed free agent RHP Bryant Mejia to a minor league contract. |
| 06/25/25 | Arizona Diamondbacks placed 2B Ildemaro Vargas on the 10-day injured list. Fractured fifth metatarsal in right foot. |
| 06/25/25 | Arizona Diamondbacks recalled SS Blaze Alexander from Reno Aces. |
| 06/24/25 | Arizona Diamondbacks placed RF Corbin Carroll on the 10-day injured list retroactive to June 21, 2025. Left wrist fracture. |
| 06/24/25 | Arizona Diamondbacks recalled CF Jake McCarthy from Reno Aces. |
| 06/23/25 | Arizona Diamondbacks designated C Aramis Garcia for assignment. |
| 06/23/25 | Arizona Diamondbacks signed free agent C James McCann. |
| 06/19/25 | Arizona Diamondbacks signed free agent RHP Trevor Richards to a minor league contract. |
| 06/19/25 | Arizona Diamondbacks signed free agent LHP Anthony Gose to a minor league contract. |
| 06/19/25 | Arizona Diamondbacks placed C Gabriel Moreno on the 10-day injured list retroactive to June 16, 2025. Right hand contusion. |
| 06/19/25 | Arizona Diamondbacks transferred RHP Christian Montes De Oca from the 15-day injured list to the 60-day injured list. Right elbow inflammation. |
| 06/19/25 | Arizona Diamondbacks selected the contract of C Aramis Garcia from Reno Aces. |
| 06/18/25 | Arizona Diamondbacks signed free agent RHP Estiven Huizi to a minor league contract. |
| 06/15/25 | Arizona Diamondbacks transferred RHP Justin Martinez from the 15-day injured list to the 60-day injured list. Right UCL sprain. |
| 06/15/25 | Arizona Diamondbacks signed free agent RHP Anthony DeSclafani. |
| 06/15/25 | Arizona Diamondbacks optioned RHP Bryce Jarvis to Reno Aces. |
| 06/14/25 | Arizona Diamondbacks signed free agent RHP Matt Foster to a minor league contract. |
| 06/10/25 | Arizona Diamondbacks transferred RHP Cristian Mena from the 15-day injured list to the 60-day injured list. Right shoulder strain. |
| 06/10/25 | Arizona Diamondbacks placed RHP Christian Montes De Oca on the 15-day injured list retroactive to June 9, 2025. Right elbow inflammation. |
| 06/10/25 | Arizona Diamondbacks placed RHP Justin Martinez on the 15-day injured list. Right UCL sprain. |
| 06/10/25 | Arizona Diamondbacks sent RHP Scott McGough outright to Reno Aces. |
| 06/10/25 | Arizona Diamondbacks sent C Aramis Garcia outright to Reno Aces. |
| 06/10/25 | Arizona Diamondbacks selected the contract of RHP Tayler Scott from Reno Aces. |
| 06/10/25 | Arizona Diamondbacks optioned RHP Jeff Brigham to Reno Aces. |
| 06/10/25 | Arizona Diamondbacks recalled RHP Bryce Jarvis from Reno Aces. |
| 06/10/25 | Arizona Diamondbacks recalled RHP Kevin Ginkel from Reno Aces. |
| 06/09/25 | Arizona Diamondbacks placed RHP Kendall Graveman on the 15-day injured list retroactive to June 8, 2025. Right hip impingement. |
| 06/09/25 | Arizona Diamondbacks recalled RHP Christian Montes De Oca from Reno Aces. |
| 06/08/25 | Arizona Diamondbacks reassigned RHP Christian Montes De Oca to the minor leagues. |
| 06/08/25 | Arizona Diamondbacks reassigned RHP Christian Montes De Oca to the minor leagues. |
| 06/08/25 | Arizona Diamondbacks designated C Aramis Garcia for assignment. |
| 06/08/25 | Arizona Diamondbacks optioned RHP Christian Montes De Oca to Reno Aces. |
| 06/08/25 | Arizona Diamondbacks selected the contract of LHP Kyle Backhus from Reno Aces. |
| 06/07/25 | Arizona Diamondbacks transferred RHP Corbin Burnes from the 15-day injured list to the 60-day injured list. Right elbow inflammation. |
| 06/07/25 | Arizona Diamondbacks activated RHP Christian Montes De Oca. |
| 06/07/25 | Arizona Diamondbacks placed RHP Cristian Mena on the 15-day injured list. Right shoulder strain. |
| 06/07/25 | Arizona Diamondbacks selected the contract of C Aramis Garcia from Reno Aces. |
| 06/07/25 | Arizona Diamondbacks recalled RHP Christian Montes De Oca from Reno Aces. |
| 06/06/25 | Arizona Diamondbacks activated LHP Eduardo Rodriguez from the 15-day injured list. |
| 06/06/25 | Arizona Diamondbacks optioned LHP Tommy Henry to Reno Aces. |
| 06/05/25 | Arizona Diamondbacks designated RHP Scott McGough for assignment. |
| 06/05/25 | Arizona Diamondbacks activated LHP Andrew Saalfrank. |
| 06/05/25 | Arizona Diamondbacks optioned LHP Andrew Saalfrank to ACL D-backs. |
| 06/03/25 | Arizona Diamondbacks signed free agent RHP Augie Mojica to a minor league contract. |
| 06/03/25 | Arizona Diamondbacks placed RHP Corbin Burnes on the 15-day injured list retroactive to June 2, 2025. Right elbow inflammation. |
| 06/03/25 | Arizona Diamondbacks recalled LHP Tommy Henry from Reno Aces. |
| 06/01/25 | Arizona Diamondbacks released LHP Joe Mantiply. |
| 06/01/25 | Arizona Diamondbacks optioned RHP Scott McGough to Reno Aces. |
| 06/01/25 | Arizona Diamondbacks recalled RHP Cristian Mena from Reno Aces. |