Tacoma Rainiers Roster & Staff
Tacoma Transactions
| Date | Transaction |
| 06/13/26 | LHP Michael Plassmeyer assigned to Tacoma Rainiers. |
| 06/13/26 | Tacoma Rainiers activated SS Brock Rodden from the 7-day injured list. |
| 06/11/26 | Seattle Mariners selected the contract of RHP Michael Rucker from Tacoma Rainiers. |
| 06/10/26 | Tacoma Rainiers activated RHP Nick Hull from the Development List. |
| 06/10/26 | RHP Carson Fulmer assigned to Tacoma Rainiers. |
| 06/10/26 | Tacoma Rainiers activated 3B Blake Rambusch. |
| 06/10/26 | Seattle Mariners recalled RHP Domingo Gonzalez from Tacoma Rainiers. |
| 06/10/26 | 3B Blake Rambusch assigned to Tacoma Rainiers from Arkansas Travelers. |
| 06/10/26 | Seattle Mariners optioned 2B Ryan Bliss to Tacoma Rainiers. |
| 06/09/26 | Seattle Mariners sent C Cal Raleigh on a rehab assignment to Tacoma Rainiers. |
| 06/09/26 | Seattle Mariners sent 3B Will Wilson on a rehab assignment to Tacoma Rainiers. |
| 06/09/26 | Seattle Mariners recalled RHP Nick Davila from Tacoma Rainiers. |
| 06/08/26 | 2B Jo Oyama assigned to ACL Mariners from Tacoma Rainiers. |
| 06/08/26 | Seattle Mariners recalled 2B Ryan Bliss from Tacoma Rainiers. |
| 06/07/26 | 2B Jo Oyama assigned to Tacoma Rainiers from ACL Mariners. |
| 06/02/26 | Tacoma Rainiers activated 1B Hogan Windish from the Development List. |
| 06/02/26 | Tacoma Rainiers placed CF Brennen Davis on the 7-day injured list. |