Tacoma Rainiers Roster & Staff
SEA Transactions
| Date | Transaction |
| 12/11/24 | Seattle Mariners purchased contract of LHP Matt Cronin from Washington Nationals in the Rule 5 Draft, AAA Phase. |
| 12/11/24 | Seattle Mariners purchased contract of RHP Adam Leverett from Tampa Bay Rays in the Rule 5 Draft, AAA Phase. |
| 12/11/24 | Seattle Mariners purchased contract of OF Cesar Quintas from San Francisco Giants in the Rule 5 Draft, AAA Phase. |
| 12/11/24 | Seattle Mariners purchased contract of RHP Taylor Floyd from Minnesota Twins in the Rule 5 Draft, AAA Phase. |
| 12/10/24 | C Jacob Nottingham assigned to Arkansas Travelers. |
| 12/10/24 | Seattle Mariners signed free agent C Jacob Nottingham to a minor league contract. |
| 12/09/24 | RHP Yunior Marte assigned to Tacoma Rainiers. |
| 12/09/24 | Seattle Mariners signed free agent RHP Yunior Marte to a minor league contract. |
| 12/08/24 | RHP Yorlin Calderon assigned to Tacoma Rainiers. |
| 12/08/24 | Seattle Mariners signed free agent RHP Yorlin Calderon to a minor league contract. |
| 12/07/24 | 1B Sauryn Lao assigned to Tacoma Rainiers. |
| 12/07/24 | Seattle Mariners signed free agent 1B Sauryn Lao to a minor league contract. |
| 12/05/24 | LHP Drew Pomeranz assigned to Tacoma Rainiers. |
| 12/05/24 | Seattle Mariners signed free agent LHP Drew Pomeranz to a minor league contract. |
| 12/02/24 | RHP Dauris Valdez assigned to Tacoma Rainiers. |
| 12/02/24 | Seattle Mariners signed free agent RHP Dauris Valdez to a minor league contract. |