Mariners Roster & Staff
Transactions
| Date | Transaction |
| 02/22/25 | RHP Taylor Floyd assigned to Seattle Mariners. |
| 02/22/25 | RHP Juan Burgos assigned to Seattle Mariners. |
| 02/22/25 | 2B Jack L¨®pez assigned to Seattle Mariners. |
| 02/22/25 | 3B Charlie Pagliarini assigned to Seattle Mariners. |
| 02/22/25 | OF Jared Sundstrom assigned to Seattle Mariners. |
| 02/22/25 | 3B Tai Peete assigned to Seattle Mariners. |
| 02/22/25 | RHP Charlie Beilenson assigned to Seattle Mariners. |
| 02/22/25 | CF Carlos Jimenez assigned to Seattle Mariners. |
| 02/22/25 | RHP Wyatt Lunsford-Shenkman assigned to Seattle Mariners. |
| 02/22/25 | RHP Jesse Wainscott assigned to Seattle Mariners. |
| 02/22/25 | RHP Jimmy Joyce assigned to Seattle Mariners. |
| 02/21/25 | Seattle Mariners signed free agent 1B Rowdy Tellez to a minor league contract and invited him to spring training. |
| 02/21/25 | RHP Jimmy Kingsbury assigned to Seattle Mariners. |
| 02/21/25 | OF Bill Knight assigned to Seattle Mariners. |
| 02/21/25 | 1B Hogan Windish assigned to Seattle Mariners. |
| 02/19/25 | Seattle Mariners signed free agent RHP Kleiver Benitez to a minor league contract. |
| 02/15/25 | Seattle Mariners signed free agent RHP Garrett Hill to a minor league contract. |
| 02/15/25 | Seattle Mariners signed free agent LHP Jhonathan D¨ªaz to a minor league contract and invited him to spring training. |
| 02/07/25 | LHP Jhonathan D¨ªaz elected free agency. |
| 02/07/25 | Seattle Mariners sent LF Cade Marlowe outright to Tacoma Rainiers. |
| 02/03/25 | Seattle Mariners designated LF Cade Marlowe for assignment. |
| 02/03/25 | Seattle Mariners designated LHP Jhonathan D¨ªaz for assignment. |
| 02/03/25 | Seattle Mariners signed free agent 2B Jorge Polanco. |
| 02/03/25 | Cincinnati Reds traded RHP Casey Legumina to Seattle Mariners for cash. |