The Seattle Mariners announce their 2026 Opening Day roster
A few would-be surprises became solidified in the 26-man group with late injuries this spring.
SEATTLE, WA - MARCH 27: A general view of T-Mobile Park is seen during the game between the Athletics and the Seattle Mariners on Thursday, March 27, 2025 in Seattle, Washington. (Photo by Rod Mar/MLB Photos via Getty Images) | MLB Photos via Getty Images The Seattle Mariners have announced their 2026 Opening Day roster, with a few surprises compared to the spring’s outset. The M’s have been fairly fortunate with their health through Spring Training, but will see expected starting SS J.
P. Crawford and starting RHP Bryce Miller on the injured list to open the year. Both players are expected back early in April, but their absence has created openings for a few depth pieces.
Additionally, UTIL Miles Mastrobuoni is out injured to start the year. Catchers Cal Raleigh, Mitch Garver This cat has been liberated from bag-hood for a few days now, with Garver beating out Andrew Knizner and Jhonny Pareda for the backstop role. Designating Knizner for assignment would clear the space for Garver in a straight swap, allowing the M’s to run back their expected alignment with Pareda the next man up in Tacoma.
Infielders INF Ryan Bliss, 1B Josh Naylor, INF Leo Rivas, INF Cole Young A month and change ago, and likely more, the role for Ryan Bliss on this club seemed narrow as a needle’s eye. Either Arachne blessed him or Athena misplaced her vengeance on Mastrobuoni and Crawford, but a healthy spring allowed Bliss to outlast top prospect Colt Emerson and the rest of the M’s infield depth. Emerson’s omission was foretold in his optioning a few days ago, but a decent spring didn’t do enough to force Seattle’s hand.