Practice With A Purpose: Pitcher Zac Gallen is passionate about
Zac Gallen Masters Elements, Yankees in Diamondbacks 7-1 Win
Arizona Diamondbacks pitcher Zac Gallen's scoreless innings streak
Secret to Diamondbacks pitcher's streak: a little bit of 'chaos
Zac Gallen Strikes Out 12 in 7 Innings!, Arizona Diamondbacks
We are celebrating National Dairy Month with #Dbacks pitcher, Zac
Diamondbacks Pitcher Zac Gallen Baffled After Creating New Pitch
Zac Gallen Strikes Out 12 in 7 Innings!, Arizona Diamondbacks
Zac Gallen Strikes Out 12 in 7 Innings!, Arizona Diamondbacks
Zac Gallen nearly unhittable in Diamondbacks' blowout win over
Zac Gallen nearly unhittable in Diamondbacks' blowout win over