Young lowered his ERA to 0.78, while giving up six hits, walking two and striking out two. In four fill-in starts, Young has given up one earned run over 22 2/3 innings.
Morales belted a three-run homer in the first and a two-run homer in the third.
Cardinals starter Lance Lynn lasted six innings, giving up 10 hits and five earned runs.
MOMENTS THAT MATTERED
Kendrys' bomb No. 1: Morales got the series off on the right note for the Royals when he delivered a 404-foot blast to right field with Alcides Escobar and Lorenzo Cain aboard in the first inning.