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 Mariners gained a game on their American League West rivals in the division standings after a quality start from Luis ...

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

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Randy Arozarena hit a solo home run and Luis Castillo threw 6 2/3 scoreless innings as the Seattle Mariners beat the Houston ...

The Seattle Mariners are coming off their first homestand post-All-Star Break and had a poor showing in the second half of it. The Mariners followed a series wi ...

Get Mariners vs Brewers baseball betting preview, spread and over/under insights for their matchup on July 23.

The Seattle Mariners have been heavily linked to Arizona Diamondbacks' third baseman Eugenio Suarez as the trade deadline ...

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

Naylor is hitting .292 with a .360 on-base percentage and a .447 slugging (.807 OPS) with 11 home runs and 59 RBI.

Seattle Mariners pitcher Luis Castillo throws during a game against the Los Angeles Angels on July 11 at Angels Stadium. / Gary A. Vasquez-Imagn Images ...