Salvador Perez homers twice as Royals beat Cubs

Salvador Perez belted two of Kansas City's five home runs and the visiting Royals opened a three-game series against the Chicago Cubs with a 6-2 victory on Friday.

Andrew Benintendi, Emmanuel Rivera and Cam Gallagher also homered for Kansas City, which won for the fourth time in its last five games.

Brad Keller (8-12) allowed two runs (one earned) on four hits over six innings and won for just the second time in his las