The Houston Astros can't find a way to end their slide. Danny Valencia homered twice, including a go-ahead two-run shot in the eighth inning, to help the Oakland Athletics to a 4-3 victory Friday night that sent the scuffling Astros to their fifth straight loss. The recent skid has allowed the first-place Texas Rangers to move 2 1-2 games ahead of the Astros in the AL West. More...