SCOTTSDALE, ARIZ. ? Aaron Guiel homered off Armando Benitez, hit a go-ahead two-run single in the third and doubled, finishing with four RBIs, as the Kansas City Royals beat the San Francisco Giants, 15-6.

Angel Berroa hit three doubles and also drove in four runs for the Royals, raising his spring average to .436.

Kansas City’s Jeremy Affeldt, named the team’s third starter over the weekend, allowed three runs and eight hits in six solid innings, looking stronger than he did in his impressive outing last Wednesday night.