Castillo struggled against the Cincinnati Reds, going just 4.1 innings and giving up six earned runs. Unfortunately, this ...

Troy Taylor was thought to be one of the solutions in the bullpen for Seattle, but he's headed back to Triple-A Tacoma.

The Seattle Mariners are giving their No. 6 starting pitcher another shot in the major leagues in a critical rubber match ...

The Seattle Mariners are in the middle of their best stretch of baseball this year. They're 7-2 in their last nine games and have won or swept three series in a ...

The Seattle Mariners are on one of their best stretches of the season and will have a chance to continue the string of good ...

According to a report from Bob Nightengale of USA Today, the M's were offered a young infielder for Castillo, but said no.

In addition to the starting duo, the M's also have another Julio Rodríguez in the organization "We are duplicating names left ...

Seattle Mariners starting pitcher Luis Castillo surfaced in MLB rumors this winter when the clubs fielded inquiries on the ...

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

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

The Mariners begin a road trip with a defeat in Cincinnati, snapping Seattle's four-game winning streak despite two home runs ...

Up until the point the Cincinnati Reds dealt him to the Seattle Mariners, Luis Castillo’s story with the club was basically ...