Tacoma Rainiers Roster & Staff
Tacoma Transactions
| Date | Transaction |
| 05/12/26 | SS Axel Sanchez assigned to Everett AquaSox from Tacoma Rainiers. |
| 05/11/26 | Seattle Mariners recalled RHP Domingo Gonzalez from Tacoma Rainiers. |
| 05/08/26 | Seattle Mariners optioned C Jhonny Pereda to Tacoma Rainiers. |
| 05/07/26 | Tacoma Rainiers activated 2B Ryan Bliss. |
| 05/05/26 | Tacoma Rainiers sent OF Spencer Packard on a rehab assignment to ACL Mariners. |
| 05/05/26 | 2B Ryan Bliss roster status changed by Tacoma Rainiers. |
| 05/05/26 | Seattle Mariners sent 1B Patrick Wisdom on a rehab assignment to Tacoma Rainiers. |
| 05/05/26 | 1B Hogan Windish assigned to Tacoma Rainiers from Arkansas Travelers. |
| 05/04/26 | Tacoma Rainiers activated RHP Cole Wilcox. |
| 05/04/26 | Seattle Mariners optioned RHP Cole Wilcox to Tacoma Rainiers. |
| 05/04/26 | Seattle Mariners recalled LHP Josh Simpson from Tacoma Rainiers. |
| 05/03/26 | Seattle Mariners sent RF Victor Robles on a rehab assignment to Tacoma Rainiers. |
| 05/03/26 | SS Axel Sanchez assigned to Tacoma Rainiers from Everett AquaSox. |
| 05/02/26 | Seattle Mariners optioned LHP Josh Simpson to Tacoma Rainiers. |
| 05/02/26 | Seattle Mariners recalled C Jhonny Pereda from Tacoma Rainiers. |
| 05/01/26 | Seattle Mariners recalled LHP Josh Simpson from Tacoma Rainiers. |