Tacoma Rainiers Roster & Staff
Tacoma Transactions
| Date | Transaction |
| 04/22/26 | RHP Nick Hull assigned to Tacoma Rainiers. |
| 04/21/26 | Tacoma Rainiers placed LHP Austin Kitchen on the full-season injured list. |
| 04/21/26 | Tacoma Rainiers activated OF Colin Davis. |
| 04/21/26 | Seattle Mariners recalled RHP Alex Hoppe from Tacoma Rainiers. |
| 04/20/26 | Seattle Mariners selected the contract of 3B Will Wilson from Tacoma Rainiers. |
| 04/18/26 | Seattle Mariners sent RHP Bryce Miller on a rehab assignment to Tacoma Rainiers. |
| 04/14/26 | Tacoma Rainiers activated C Brian O'Keefe. |
| 04/14/26 | Seattle Mariners selected the contract of 1B Patrick Wisdom from Tacoma Rainiers. |
| 04/14/26 | RHP Nick Garcia assigned to Tacoma Rainiers from Arkansas Travelers. |
| 04/08/26 | Tacoma Rainiers activated 2B Alejo Lopez. |
| 04/08/26 | Seattle Mariners sent 3B Miles Mastrobuoni on a rehab assignment to Tacoma Rainiers. |
| 04/08/26 | Seattle Mariners sent 3B Miles Mastrobuoni on a rehab assignment to Tacoma Rainiers. |
| 04/08/26 | Seattle Mariners selected the contract of RF Connor Joe from Tacoma Rainiers. |
| 04/03/26 | Tacoma Rainiers placed OF Spencer Packard on the 7-day injured list. |
| 04/03/26 | Tacoma Rainiers transferred 2B Alejo Lopez to the Development List. |
| 04/03/26 | Tacoma Rainiers placed OF Spencer Packard on the 7-day injured list. |
| 04/03/26 | Tacoma Rainiers activated CF Brennen Davis from the 7-day injured list. |
| 04/03/26 | Tacoma Rainiers transferred OF Colin Davis to the Development List. |
| 04/03/26 | Tacoma Rainiers transferred OF Colin Davis to the Development List. |
| 04/03/26 | Tacoma Rainiers activated CF Victor Labrada from the 7-day injured list. |
| 04/02/26 | Seattle Mariners optioned 2B Ryan Bliss to Tacoma Rainiers. |
| 04/01/26 | Seattle Mariners optioned SS Colt Emerson to Tacoma Rainiers. |