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 ...

In Mariners news... The Mariners are going to punt the Luis F. Castillo decision another turn while they figure out what to ...

The Seattle Mariners are in desperate need of an offensive jolt, especially with the injuries to Victor Robles and Ryan Bliss ...

No, they're not the same dude. Yes, it's confusing. The Thursday starter was three-time All-Star Luis Miguel Castillo, ...

I njuries to Ryan Bliss, Victor Robles, and Jorge Polanco have required the Mariners to drastically rethink their lineup in ...

Just two days after Luis Castillo threw 92 pitches in a seven-inning gem for the Mariners, they're set to start Luis Castillo ...

Luis F. Castillo will be making his first major league start ... Castillo signed with the Chiba Lotte Marines of Japan’s ...

The Seattle Mariners also reinstated Jorge Polanco off the paternity list and optioned two players to Triple-A Tacoma.

The Seattle Mariners are going to make some ironic baseball history over the last 25 years on Friday afternoon when they play ...

The Mariners optioned Castillo to Triple-A Tacoma on Thursday.