D-backs Roster & Staff
Transactions
| Date | Transaction |
| 02/23/26 | RHP Logan Mercado assigned to Arizona Diamondbacks. |
| 02/23/26 | 2B Manuel Pena assigned to Arizona Diamondbacks. |
| 02/23/26 | 3B Yassel Soler assigned to Arizona Diamondbacks. |
| 02/23/26 | C Ivan Luciano assigned to Arizona Diamondbacks. |
| 02/23/26 | OF Angel Ortiz assigned to Arizona Diamondbacks. |
| 02/23/26 | LHP Wilkin Paredes assigned to Arizona Diamondbacks. |
| 02/23/26 | SS Demetrio Crisantes assigned to Arizona Diamondbacks. |
| 02/22/26 | OF Gavin Conticello assigned to Arizona Diamondbacks. |
| 02/22/26 | 2B Anderdson Rojas assigned to Arizona Diamondbacks. |
| 02/22/26 | RHP Luke Albright assigned to Arizona Diamondbacks. |
| 02/22/26 | RHP Alec Baker assigned to Arizona Diamondbacks. |
| 02/22/26 | LHP Adonys Perez assigned to Arizona Diamondbacks. |
| 02/21/26 | LHP Avery Short assigned to Arizona Diamondbacks. |
| 02/21/26 | RHP Zane Russell assigned to Arizona Diamondbacks. |
| 02/21/26 | CF Jakey Josepha assigned to Arizona Diamondbacks. |
| 02/21/26 | RHP Indigo Diaz assigned to Arizona Diamondbacks. |
| 02/21/26 | RHP Indigo Diaz roster status changed by Arizona Diamondbacks. |
| 02/21/26 | RHP Teofilo Mendez roster status changed by Arizona Diamondbacks. |
| 02/21/26 | OF Caleb Roberts assigned to Arizona Diamondbacks. |
| 02/21/26 | 2B Jansel Luis assigned to Arizona Diamondbacks. |
| 02/21/26 | C David Martin assigned to Arizona Diamondbacks. |
| 02/21/26 | 2B Jean Walters assigned to Arizona Diamondbacks. |
| 02/21/26 | LHP Nate Savino assigned to Arizona Diamondbacks. |
| 02/21/26 | C Moises Alcala assigned to Arizona Diamondbacks. |
| 02/21/26 | RHP Roman Angelo assigned to Arizona Diamondbacks. |
| 02/21/26 | RHP Casey Anderson assigned to Arizona Diamondbacks. |
| 02/21/26 | RHP Teofilo Mendez assigned to Arizona Diamondbacks. |
| 02/20/26 | RF Óscar Mercado roster status changed by Arizona Diamondbacks. |
| 02/20/26 | Arizona Diamondbacks signed free agent RF Óscar Mercado to a minor league contract. |
| 02/20/26 | RHP Jose Cabrera assigned to Arizona Diamondbacks. |
| 02/15/26 | RHP Zac Gallen assigned to Arizona Diamondbacks. |
| 02/15/26 | Arizona Diamondbacks placed LHP A.J. Puk on the 60-day injured list. Left ulnar collateral ligament surgery recovery. |
| 02/15/26 | Arizona Diamondbacks placed RHP Corbin Burnes on the 60-day injured list. Right ulnar collateral ligament surgery recovery. |
| 02/15/26 | Arizona Diamondbacks signed free agent RHP Joe Ross to a minor league contract and invited him to spring training. |
| 02/15/26 | RHP Joe Ross roster status changed by Arizona Diamondbacks. |
| 02/15/26 | Arizona Diamondbacks claimed RHP Grant Holman off waivers from Athletics. |
| 02/14/26 | Arizona Diamondbacks signed free agent RHP Paul Sewald. |
| 02/14/26 | Arizona Diamondbacks placed RHP Justin Martinez on the 60-day injured list. Recovery from right ulnar collateral ligament surgery. |
| 02/10/26 | Arizona Diamondbacks placed LHP Andrew Saalfrank on the 60-day injured list. Left labrum repair surgery. |
| 02/10/26 | Arizona Diamondbacks signed free agent 1B Carlos Santana. |
| 02/09/26 | Arizona Diamondbacks signed free agent RHP Samuel Santos to a minor league contract. |
| 02/09/26 | Arizona Diamondbacks signed free agent RHP Hamley Eusebio to a minor league contract. |
| 02/06/26 | Arizona Diamondbacks signed free agent RHP Jose Belisario to a minor league contract. |
| 02/05/26 | 2B José Mejía roster status changed by Arizona Diamondbacks. |
| 02/05/26 | Arizona Diamondbacks traded SS Blaze Alexander to Baltimore Orioles for RHP Kade Strowd, RHP Wellington Aracena and 2B José Mejía. |
| 02/05/26 | Arizona Diamondbacks traded SS Blaze Alexander to Baltimore Orioles for RHP Kade Strowd, RHP Wellington Aracena and 2B José Mejía. |
| 02/05/26 | Arizona Diamondbacks traded SS Blaze Alexander to Baltimore Orioles for RHP Kade Strowd, RHP Wellington Aracena and 2B José Mejía. |
| 02/05/26 | Arizona Diamondbacks traded SS Blaze Alexander to Baltimore Orioles for RHP Kade Strowd, RHP Wellington Aracena and 2B José Mejía. |
| 02/03/26 | Arizona Diamondbacks signed free agent C Juan Centeno to a minor league contract. |