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

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

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

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

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

After being forced to play 12 innings on Saturday, the Mariners are giving prospect Sauryn Lao a chance to make his major ...

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

Jose Berrios took exception to something that Raleigh did on the basepaths in Saturday's contest. After the game, here's what ...

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

Cal Raleigh and Rowdy Tellez each hit two-run homers, Dylan Moore added a solo shot and the Seattle Mariners beat the Toronto ...

Toronto Blue Jays prospect Alan Roden was shaken up after this meeting with Tellez at first base, while Tellez didn't even appear to feel it.

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