Seattle Mariners Players has been withdraw from the transfer portal  in 2025.

Seattle Mariners Players has been withdraw from the transfer portal  in 2025.

Seattle Mariners players withdrawing from the transfer portal. In Major League Baseball (MLB), the concept of a “transfer portal” is not utilized; this term is specific to collegiate athletics, particularly within the NCAA, where student-athletes can enter a transfer portal to explore opportunities with other programs. In contrast, MLB operates through trades, free agency, and minor league assignments.

Regarding recent roster movements, the Mariners have been active in adjusting their lineup. Notably, on May 31, 2025, the team reinstated starting pitcher Bryce Miller from the 15-day injured list, addressing right elbow inflammation. Additionally, reliever Will Klein was designated for assignment, and infielder Leonardo Rivas was optioned to the minors. In a corresponding move, the Mariners purchased the contract of infielder Cole Young from the minors, adding him to the active roster .

These transactions reflect the team’s ongoing efforts to optimize their roster as they navigate the 2025 season. For the most up-to-date information on player movements and team news, it’s advisable to consult official MLB sources or the Seattle Mariners’ official communications.