A strange rule violation ended up playing a key factor in why the Kansas City Royals narrowly lost their Thursday afternoon ...

The Seattle Mariners are tied with the Houston Astros for the AL West lead with a pivotal three-game series between the two teams set to begin Friday night at Daikin Park.

Seattle manager Dan Wilson initiated a replay challenge for a shift violation. Wilson believed Royals second baseman Michael ...

The Toronto Blue Jays and Kansas City Royals begin a 3-game series Friday at Kauffman Stadium in Kansas City, Missouri.

Castillo (10-8) dueled with Kansas City counterpart Stephen Kolek, who allowed two runs — one earned — while pitching into ...

Luis Castillo pitched six innings of three-hit ball, Jorge Polanco and J.P. Crawford drove in runs, and the Seattle Mariners ...

Luis Castillo pitched six innings of three-hit ball, Jorge Polanco and J.P. Crawford drove in runs, and the Seattle Mariners beat the Kansas City Royals 2-0 on Thursday to ...

Considering the season-long pursuit of the American League West title between Houston and Seattle, the Mariners' 2-0 road ...

The Mariners blanked the Royals with a 2-0 win, tying the Astros atop the AL West ahead of a big three-game series.

The chase for the postseason brings out the best or the worst of teams. For the Seattle Mariners (84-69), they go into the ...

The stage is now set. Luis Castillo made sure of it. The Mariners’ righty spun six scoreless frames to lead a 2-0 ...