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

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

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

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

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

Fortunately, the Braves won the game 4-3 or the fallout would have been worse.Kelenic, 25, is out to a dreadful start this ...

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

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

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.

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

Rowdy Tellez, Cal Raleigh and Dylan Moore all homered to give the Mariners their fourth consecutive series win.

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