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

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

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

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

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.

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

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 ...

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

Seattle Mariners infielder Jorge Polanco has been relegated to designated hitter duty only, and he's also been relegated to ...

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