While the Seattle Mariners are doing their best to stay relevant in the American League West Division race, all eyes are on ...

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 ...

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

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

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

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

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

Seattle Mariners starting pitcher Luis Castillo throws during a game against the Tampa Bay Rays on Aug. 28 at T-Mobile Park. / Joe Nicholson-Imagn Images ...

Mariners ace Luis Castillo, tabbed as Seattle's opening-day starter, has his sights set on starting the All-Star Game at T-Mobile Park and winning the AL Cy Young Award.

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 ...