Adam Rosales, Kevin Kouzmanoff and Jack Cust each went yard with Brian Bannister giving up two more home runs, as the Oakland Athletics beat the Kansas City Royals 9-6 on Sunday and finish a three-game sweep and had Bannister his fourth loss in five decisions.
The Royals have lost six straight, one shy of their longest losing streak this season. Rosales, who had the winning hit with two-out in the ninth Saturday, homered in the fourth after Jack Cust walked. Rajai Davis doubled home Landon Powell with the third run of the inning.
Kouzmanoff, who had seven RBIs in the series, homered in the fifth. His sacrifice fly in the seventh scored Coco Crisp. Cust then hit a three-run homer in the ninth off Victor Marte, making it 9-1.
Royals starter Bannister (7-8) is 0-3 in four starts since a June 23 victory at Washington,and tied a career high with six walks, hit a batter and gave up five runs in 6 1/3 innings to go with his two homers allowed