Royals rally for 6-4 win over Cardinals in opener

(Photo credit: Jeff Curry-USA TODAY Sports)

Salvador Perez homered and added an RBI single as the visiting Kansas City Royals rallied past the St. Louis Cardinals 6-4 on Wednesday afternoon in the first half of a split doubleheader.

Garrett Hampson added a two-run double as the Royals erased a 3-0 deficit to earn their second straight victory.

Royals starting pitcher Alec Marsh (7-6) allowed three runs on three hits in