Christian Walker (5 RBIs) powers D-backs past Rangers

Brandon Pfaadt's highly anticipated major league debut had a few rough patches but the offense more than made up for it, as the Arizona Diamondbacks defeated the host Texas Rangers 12-7 on Wednesday in Arlington, Texas.

The victory snapped a two-game losing skid for the Diamondbacks, who were led by Christian Walker's two home runs and five RBIs.

Pfaadt, a touted pitching prospect, went 4 2/3 innings and allowed nine hi