D-backs Roster & Staff
Transactions
| Date | Transaction |
| 07/28/25 | Arizona Diamondbacks sent RHP Trevor Richards outright to Reno Aces. |
| 07/27/25 | Arizona Diamondbacks activated CF Alek Thomas from the bereavement list. |
| 07/26/25 | Arizona Diamondbacks designated RHP Trevor Richards for assignment. |
| 07/26/25 | Arizona Diamondbacks traded RF Randal Grichuk to Kansas City Royals for RHP Andrew Hoffmann. |
| 07/26/25 | Arizona Diamondbacks recalled LHP Brandyn Garcia from Reno Aces. |
| 07/26/25 | Arizona Diamondbacks traded RF Randal Grichuk to Kansas City Royals for RHP Andrew Hoffmann. |
| 07/25/25 | Arizona Diamondbacks optioned LHP Brandyn Garcia to Reno Aces. |
| 07/25/25 | Arizona Diamondbacks recalled LF Jorge Barrosa from Reno Aces. |
| 07/25/25 | Arizona Diamondbacks recalled OF Tristin English from Reno Aces. |
| 07/24/25 | Arizona Diamondbacks placed CF Alek Thomas on the bereavement list. |
| 07/24/25 | Arizona Diamondbacks traded 1B Josh Naylor to Seattle Mariners for LHP Brandyn Garcia and RHP Ashton Izzi. |
| 07/24/25 | Arizona Diamondbacks traded 1B Josh Naylor to Seattle Mariners for LHP Brandyn Garcia and RHP Ashton Izzi. |
| 07/24/25 | Arizona Diamondbacks traded 1B Josh Naylor to Seattle Mariners for LHP Brandyn Garcia and RHP Ashton Izzi. |
| 07/22/25 | Arizona Diamondbacks sent SS Sergio Alcántara outright to Reno Aces. |
| 07/21/25 | Arizona Diamondbacks signed RHP Collin Rothermel. |
| 07/21/25 | Arizona Diamondbacks signed SS Kayson Cunningham. |
| 07/21/25 | Arizona Diamondbacks signed RHP Joel Sarver. |
| 07/21/25 | Arizona Diamondbacks signed RHP Raul Garayzar. |
| 07/21/25 | Arizona Diamondbacks signed RHP Patrick Forbes. |
| 07/21/25 | Arizona Diamondbacks signed LHP Tayler Montiel. |
| 07/21/25 | Arizona Diamondbacks signed RHP Sawyer Hawks. |
| 07/21/25 | Arizona Diamondbacks signed RHP Alex Galvan. |
| 07/21/25 | Arizona Diamondbacks signed SS Wallace Clark. |
| 07/21/25 | Arizona Diamondbacks signed RHP Hayden Murphy. |
| 07/21/25 | Arizona Diamondbacks signed SS Brady Counsell. |
| 07/21/25 | Arizona Diamondbacks signed RHP Brian Curley. |
| 07/21/25 | Arizona Diamondbacks signed OF Nathan Hall. |
| 07/21/25 | Arizona Diamondbacks signed LHP Luke Dotson. |
| 07/21/25 | Arizona Diamondbacks signed RHP Dean Livingston. |
| 07/21/25 | Arizona Diamondbacks signed LHP Joe Ariola. |
| 07/21/25 | Arizona Diamondbacks signed RHP Jack Martinez. |
| 07/20/25 | Arizona Diamondbacks designated SS Sergio Alcántara for assignment. |
| 07/20/25 | Arizona Diamondbacks activated 2B Ketel Marte from the restricted list. |
| 07/19/25 | Arizona Diamondbacks signed free agent RHP Dan Kubiuk to a minor league contract. |
| 07/18/25 | Arizona Diamondbacks placed 2B Ketel Marte on the restricted list. |
| 07/18/25 | Arizona Diamondbacks transferred C Gabriel Moreno from the 10-day injured list to the 60-day injured list. Right hand contusion. |
| 07/18/25 | Arizona Diamondbacks signed free agent SS Sergio Alcántara. |
| 07/18/25 | Arizona Diamondbacks optioned OF Tristin English to Reno Aces. |
| 07/18/25 | Arizona Diamondbacks recalled C Adrian Del Castillo from Reno Aces. |
| 07/18/25 | Arizona Diamondbacks selected the contract of RHP Trevor Richards from Reno Aces. |
| 07/15/25 | Arizona Diamondbacks signed free agent RHP Luis Quintana to a minor league contract. |
| 07/14/25 | Arizona Diamondbacks optioned RHP Juan Morillo to Reno Aces. |
| 07/11/25 | Arizona Diamondbacks activated RHP Kendall Graveman from the 15-day injured list. |
| 07/11/25 | Arizona Diamondbacks placed LHP Jalen Beeks on the 15-day injured list retroactive to July 8, 2025. Lower back inflammation. |
| 07/09/25 | Arizona Diamondbacks recalled LHP Andrew Saalfrank from Reno Aces. |
| 07/09/25 | Arizona Diamondbacks optioned RHP Bryce Jarvis to Reno Aces. |
| 07/08/25 | Arizona Diamondbacks sent RHP Kendall Graveman on a rehab assignment to ACL D-backs. |
| 07/07/25 | Arizona Diamondbacks placed RHP Shelby Miller on the 15-day injured list retroactive to July 6, 2025. Right forearm strain. |
| 07/07/25 | Arizona Diamondbacks recalled RHP Juan Morillo from Reno Aces. |
| 07/06/25 | Arizona Diamondbacks placed RHP Ryan Thompson on the 15-day injured list retroactive to July 5, 2025. Right scapular strain. |
| 07/06/25 | Arizona Diamondbacks placed LHP Tommy Henry on the 60-day injured list. Left elbow discomfort. |
| 07/06/25 | Arizona Diamondbacks recalled LHP Tommy Henry from Reno Aces. |
| 07/06/25 | Arizona Diamondbacks recalled RHP Bryce Jarvis from Reno Aces. |
| 07/06/25 | Arizona Diamondbacks selected the contract of OF Tristin English from Reno Aces. |
| 07/06/25 | Arizona Diamondbacks sent LHP Kyle Nelson outright to Reno Aces. |
| 07/05/25 | Arizona Diamondbacks activated RF Corbin Carroll from the 10-day injured list. |
| 07/05/25 | Arizona Diamondbacks optioned 2B Tim Tawa to Reno Aces. |
| 07/04/25 | Arizona Diamondbacks signed free agent LF Seth Brown to a minor league contract. |
| 07/03/25 | Arizona Diamondbacks signed free agent RHP Berlin Fransua to a minor league contract. |
| 07/03/25 | Arizona Diamondbacks sent RF Corbin Carroll on a rehab assignment to ACL D-backs. |
| 07/02/25 | Arizona Diamondbacks signed free agent RHP Jake Woodford. |
| 07/02/25 | Arizona Diamondbacks designated LHP Kyle Nelson for assignment. |
| 07/02/25 | Arizona Diamondbacks signed free agent RHP Jimmy Endersby to a minor league contract. |
| 07/02/25 | Arizona Diamondbacks optioned RHP Juan Morillo to Reno Aces. |
| 07/01/25 | Arizona Diamondbacks signed free agent RHP Miguel Vargas to a minor league contract. |
| 07/01/25 | Arizona Diamondbacks sent RHP Tayler Scott outright to Reno Aces. |