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

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

The Seattle Mariners are set to begin the second half of the season against their biggest American League West rivals, the ...

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

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

Seattle Mariners' recent draft pick Kade Anderson is expected to make a major league impact in Seattle 'really quickly,' ...

The Mariners were unable to unseat one of the hottest teams in the National League and further reaffirmed the need to improve ...