Ivan Herrera had three hits with four RBIs, including a key three-run double in the sixth inning, while Andre Pallante allowed two runs over seven innings, as the surging St. Louis Cardinals won 10-3 over the struggling host Kansas City Royals on Friday night.Aided on a key error by Kansas City second baseman Jonathan India, St. Louis scored four times in the sixth to take a 7-2 lead. Herrera’s big hit, his first of two doubles, gave control to the Cardinals, who have won 11 of 12.Pallante (4-2), meanwhile, completed at least seven innings for a second straight start. He gave up single runs in the fourth and fifth, plus seven hits without a walk along with four strikeouts.Kansas City’s Cole Ragans (2-3) was charged with four runs, while yielding five hits and striking out seven without a walk, but exited after one batter in the sixth due to left groin tightness. Vinnie Pasquantino homered and Salvador Perez had a late RBI single for the Royals, who have lost five of six.With St. Louis leading 3-2 entering the sixth, Ragans left after allowing a leadoff single to Masyn Winn. John Schreiber then surrendered a single to Brendan Donovan (three hits, RBI).