(AP) -- Salvador Perez hit a tiebreaking two-run double with two out in the seventh inning and the Kansas City Royals beat the Chicago White Sox 4-2 on Friday night.
Luis Mendoza pitched seven effective innings as Kansas City won for the third time in four games. Lorenzo Cain hit a solo homer.
Paul Konerko hit a solo drive for Chicago after being activated from the seven-day concussion disabled list.
It was Konerko's first game since he was struck by a Jarrod Dyson elbow while covering first base on Aug. 7 against the Royals.
White Sox ace Chris Sale (14-4) allowed four runs and nine hits in 6 2-3 innings. The 6-foot-6 left-hander dropped to 11-2 with a 2.60 ERA in his last 15 starts.
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