Royals 1, Tigers 0:
Bruce Chen outdueled Anibal Sanchez and Eric Hosmer drove in the game's only run as Kansas City played spoiler to visiting Detroit for the second straight night.
Chen (10-10) held the Tigers' potent lineup to four hits over eight scoreless innings, striking out four and walking one. Greg Holland allowed a pair of singles in the ninth before striking out Delmon Young and Jhonny Peralta for his ninth save.
The Tigers got leadoff doubles from Austin Jackson in the first and Miguel Cabrera in the seventh, but they couldn't take advantage either time. Detroit slipped three games behind the division-leading Chicago White Sox in the American League Central but remained two games behind Balitmore for the last wild-card spot.
Sanchez (2-4) lost despite putting together his best outing since Detroit acquired him from Miami, holding the Royals to one run on seven hits over seven innings. The lone run came in the fourth, when Mike Moustakas laced a one-out double to right, moved to third on Lorenzo Cain's groundout and scored on Hosmer's bloop single between the mound and second base.
GAME NOTEBOOK: Detroit had won seven of eight meetings with Kansas City this season before losing the past two. … The Tigers hit into two double plays, giving them a major league-worst 125 for the season. … The Tigers had won or split their previous five series in Kansas City dating to June 4-6, 2010. … Chen has recorded quality starts in four of his last five outings. … Moustakas and Tigers 1B Prince Fielder collided at full speed on a close play at first base, but neither was injured.