Castillo (0-1) was charged with the loss Friday against the Athletics after giving up two runs in five innings on three hits and two walks while striking out four.

Buster Olney of ESPN joined the "Refuse to Lose" podcast this week and talked about the decision to start Logan Gilbert over ...

Logan Gilbert shared his honest thoughts on earning the Mariners' Opening Day starting nod over Luis Castillo.

Chris Landers of FanSided recently predicted the Mariners would cut ties with ace Luis Castillo following their expensive decision to extend Raleigh's contract. GLENDALE, ARIZONA - FEBRUARY 25 ...

Logan Gilbert accomplished what he hoped after being named opening day starter. And in Seattle's other game, Luis Castillo ...

Castillo didn't factor into the decision in Saturday's Cactus League game against San Diego after giving up two runs on five hits over 4.2 innings. He struck out four.

After the Mariners announced Logan Gilbert as the opening day starter, Luis Castillo was super happy for his teammate.

The Seattle Mariners announced earlier in March that right-hander Logan Gilbert will get the ball on Opening Day. It's the first Opening Day start for Gilbert, who takes the mantle from Luis Castillo, ...

The Seattle Mariners starting rotation was the team's most sure thing when spring training began. The group featured three ...