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 ...

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

The Mariners have reportedly made pitcher Luis Castillo "off limits" in trade talks. "One club who offered a young infielder ...

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

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

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

Castillo (1-2) yielded six runs on seven hits and four walks over 4.1 innings Tuesday, striking out three and taking a loss against the Reds.

Seattle is looking to upgrade its lineup, but is not currently interested in trading from its vaunted rotation to do so. Read ...

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