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

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

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.

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

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

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

In a wide-open American League, the Mariners will have as good a chance as anyone to make a deep postseason run, and Naylor ...

Seattle will send Luis Castillo (4-5, 3.69 ERA) to the mound on Sunday against fellow right-hander Jack Leiter (4-5, 4.55) of Texas.

SEATTLE — Pitching was the key for the Seattle Mariners in a 1-0 victory against the Pittsburgh Pirates on Saturday at T-Mobile Park. Living up to his nickname, Mariners starting pitcher Luis ...