Castillo battled through five laborious innings for the M's on Sunday against the Toronto Blue Jays, earning the win, but ...

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

Through 23 games, the Seattle Mariners are in a relatively solid spot. At 12-11, they are over .500 and they've won nine of their last 13 games. They are just 2 ...

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

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

Bryan Woo is currently an outlier among the Mariners starting rotation, albeit in a way the ballclub would like to see the ...

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

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

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

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

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