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

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

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

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 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 ...

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

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

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

We've known that Polanco can't play defense or swing from the right side, but we only heard it was because of "soreness." Now ...

Servais appeared on the "Foul Territory" TV program on Thursday, and despite what's been floated around on social media, he ...

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

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