KANSAS CITY, Mo. >> Ben Zobrist hit a go-ahead single in the seventh inning, reliever Wade Davis got replay help for a key pickoff in the ninth and the Kansas City Royals rallied from a three-run hole to beat the Houston Astros 5-4 on Friday, evening their AL Division Series at a game apiece.The Royals knotted the game at 4 off Scott Kazmir and relievers Oliver Perez and Josh Fields in the sixth.