Tacoma Rainiers Roster & Staff
Tacoma Transactions
| Date | Transaction |
| 11/03/26 | Tacoma Rainiers activated LHP Austin Kitchen from the full-season injured list. |
| 11/02/26 | 2B Andy Ibáñez elected free agency. |
| 11/02/26 | RHP Nolan Kingham elected free agency. |
| 11/02/26 | 3B Weston Wilson elected free agency. |
| 11/02/26 | CF Stuart Fairchild elected free agency. |
| 11/02/26 | LHP Josh Simpson elected free agency. |
| 11/02/26 | 3B Will Wilson elected free agency. |
| 11/02/26 | 3B Patrick Wisdom elected free agency. |
| 11/02/26 | RF Connor Joe elected free agency. |
| 11/02/26 | RHP Gabe Mosser elected free agency. |
| 11/02/26 | RHP Troy Watson elected free agency. |
| 11/02/26 | RHP Scott Effross elected free agency. |
| 11/02/26 | RHP Nick Hull elected free agency. |
| 11/02/26 | RHP Nick Garcia elected free agency. |
| 11/02/26 | 2B Axel Sanchez elected free agency. |
| 11/02/26 | RHP Simeon Woods Richardson elected free agency. |
| 11/02/26 | RHP Houston Roth elected free agency. |
| 11/02/26 | C Jakson Reetz elected free agency. |
| 11/02/26 | RHP Carson Fulmer elected free agency. |
| 11/02/26 | RHP Domingo Gonzalez elected free agency. |
| 11/02/26 | LHP Jhonathan Díaz elected free agency. |
| 11/02/26 | C Jacob Nottingham elected free agency. |
| 11/02/26 | RHP Dane Dunning elected free agency. |
| 11/02/26 | Seattle Mariners sent LHP Josh Simpson outright to Tacoma Rainiers. |
| 11/02/26 | Seattle Mariners sent 3B Will Wilson outright to Tacoma Rainiers. |
| 11/02/26 | Seattle Mariners sent 3B Patrick Wisdom outright to Tacoma Rainiers. |
| 11/02/26 | Seattle Mariners sent RHP Troy Watson outright to Tacoma Rainiers. |
| 11/02/26 | Seattle Mariners sent 3B Weston Wilson outright to Tacoma Rainiers. |