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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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 ...

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

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

With the MLB Trade Deadline coming up on July 31, ESPN MLB Insider Jeff Passan described the Seattle Mariners as "all-in." ...

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

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.