Castillo battled through five laborious innings for the M's on Sunday against the Toronto Blue Jays, earning the win, but ...

Austin Hays drove in four runs in his season debut, and the Cincinnati Reds beat Luis Castillo and the Seattle Mariners 8-4.

Castillo didn't factor into the decision Tuesday against the Astros after allowing five hits and two walks in five scoreless innings, striking out six. Castillo notably escaped a bases-loaded jam ...

"One club who offered a young infielder for veteran starter Luis Castillo, was told that Castillo remains off-limits - at least for now," USA Today's Bob Nightengale reported. The Mariners are ...

"I spent five years here, and being able to pitch here on that mound again was special," Castillo said Tuesday night.

Castillo (1-2) was charged with six runs and seven hits in 4 1/3 innings in his first career start against Cincinnati. He was traded from the Reds to the Mariners in July 2022.