D-backs Win Comeback Win Behind Walker's Power Surge

D-backs top prospect Brandon Pfaadt struggled in major league debut, allowing 7 runs in 4 2/3 innings
Christian Walker hit two home runs and drove in 5 runs to lead Diamondbacks to 12-7 win
Josh Jung hit two home runs for Rangers but Texas had four-game win streak snapped
Both teams totaled 4 home runs each on a sunny day with the roof open at Globe Life Field
Diamondbacks rookie Corbin Carroll returned from knee injury; both teams have Thursday off