Tacoma Rainiers Roster & Staff
Tacoma Transactions
| Date | Transaction |
| 03/14/26 | Seattle Mariners optioned LHP Robinson Ortiz to Tacoma Rainiers. |
| 03/13/26 | Seattle Mariners optioned LHP Josh Simpson to Tacoma Rainiers. |
| 03/13/26 | Seattle Mariners optioned RHP Troy Taylor to Tacoma Rainiers. |
| 03/11/26 | Seattle Mariners optioned RHP Blas Castaño to Tacoma Rainiers. |
| 03/11/26 | Seattle Mariners optioned RHP Domingo Gonzalez to Tacoma Rainiers. |
| 03/08/26 | Seattle Mariners optioned RHP Ryan Loutos to Tacoma Rainiers. |
| 03/01/26 | C Jacob Nottingham assigned to Tacoma Rainiers. |