Entering Tuesday, the Seattle Mariners 40-man roster is completely full. Monday marked the deadline for several different ...

There have been several key dates and deadlines that have already passed during the offseason, with some invoking roster ...

After missing the playoffs by one game for the second straight year, the Mariners know exactly what's on their shopping list.

The Seattle Mariners announced today that they have selected RHP Blas Castano from Triple-A Tacoma and added him to their ...

The Seattle Mariners made a move on Monday that is an annual telltale sign that the MLB offseason is officially underway.

Per the MLB deadline, the Mariners reinstated three players from the 60-day injured list: right-handed pitchers Matt Brash ...

SEATTLE MARINERS — Selected RHP Blas Castano from Tacoma (PCL). Reinstated RHPs Matt Brash and Jackson Kowar and INF/OF Sam Haggerty from the 60-day IL. National League ARIZONA DIAMONDBACKS — Claimed ...

This page will be updated throughout the offseason to track all of the Mariners' moves, along with the progress of any injured players. Nov. 4: RHP Bl as Castano selected from Triple-A Tacoma; RHP ...