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 ...

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 Seattle Mariners addition of Josh Naylor is ranked higher than any other trade haul by a team ahead of the July 31 MLB trade deadline.

When Luis Castillo takes the mound in a pitcher-friendly environment, you pay attention. The total opened at 8.5 and has been ...