Danny Duffy ended his rookie season with Kansas City by winning in the same ballpark where he earned his first victory in the big leagues nearly three months ago. There just weren't as many supporters around to enjoy this one. Duffy, who grew up about three hours south of the Oakland Coliseum, allowed only four hits and struck out four over 6 1/3 innings and got plenty of support from his teammates in the Royals' 7-4 win over the Oakland Athletics on Tuesday.