Castillo (6-5) earned the win Friday, allowing three runs on six hits and two walks over five innings while striking out six in the 12-3 victory over the Tigers. Castillo shined early, yielding just ...

Luis Castillo had his best outing of the season and rookie Ben Williamson drove in the game's only run as the Mariners eked ...

Luis Castillo pitched seven scoreless innings and struck out a season-high eight batters as the Seattle Mariners defeated the ...

Luis Castillo has been a solid mid-rotation option so far this season with the Seattle Mariners, but there's been a worrying ...

Now back to our story. The “original” Luis Castillo is “The Rock” (aka “La Piedra”). He’s been performing ace-like tricks for the past nine seasons, first in Cincinnati and then Seattle.

Pitching was the key for the Seattle Mariners in a 1-0 victory against the Pittsburgh Pirates on Saturday at T-Mobile Park.

The Orioles acquired right-hander Luis F. Castillo from the Seattle Mariners for cash considerations on Wednesday. The F. is important.

On Thursday, the Mariners started a right-handed pitcher named Luis Castillo. On Friday, the Mariners also started a right-handed pitcher named Luis Castillo. No, they're not the same dude.

CINCINNATI — When Luis Castillo looked across the way at the Cincinnati Reds dugout exactly a year ago at T-Mobile Park in Seattle, the Mariners right-hander barely recognized any of the players ...

After a stretch of three consecutive extra-inning games left the bullpen thin, Luis Castillo gave the Mariners a much-needed quality start against the Twins.

Mariners starter Luis Castillo left Sunday’s game against the St. Louis Cardinals in the fourth inning with a left hamstring strain.

Luis Castillo’s name has swirled in trade rumors for much of the offseason, as Castillo is far and away the priciest member of the Mariners’ rotation.