Luis Castillo allowed a run in seven innings, Josh Naylor hit his first home run for the Mariners and Seattle beat the ...

Luis Castillo allowed a run in seven innings, Josh Naylor hit his first home run for the Mariners and Seattle beat the ...

The Seattle Mariners took advantage of a down day for the rest of the American League contenders with a 3-1 win against the ...

The Seattle Mariners will go into their final leg of a seven-game road trip with a three-game series against the Athletics in ...

Right-handed pitcher Luis Castillo is scheduled to take the mound for the Mariners (54-47) at T-Mobile Park in Seattle. His ...

Wednesday's start was one of Luis Castillo’s worst of the season, as the Mariners’ veteran allowed six runs over five innings ...

Luis Castillo reacted to his stellar effort against the Houston Astros in the Seattle Mariners' victory on Friday night.

The Seattle Mariners and the A's play the second game of a 3-game set Tuesday at Sutter Health Park in West Sacramento.

ESPN MLB insider Jeff Passan details what he's hearing about the trade deadline market and his expectations for the Seattle Mariners.

The veteran Mariners pitcher put together his best outing of the season and clinched a series win for his team Saturday.

A player that has been widely rumored to potentially be on the move before the July 31 MLB Trade Deadline is Boston Red Sox third baseman Alex Bregman.