Zac Gallen, Diamondbacks feel squeeze of pitch clock
Zac Gallen throws 2 scoreless innings in D-backs' spring training
Zac Gallen has it 'all working' in Diamondbacks' win over Pirates
Everything You Need To Know About Zac Gallen
MORE
NLCS: Harper, Schwarber, Castellanos power Phillies past
The Future of Zac Gallen as a Dback - AZ Snake Pit
The D-backs who got away: An alternate 2016 pitching staff - AZ
Zac Gallen, Diamondbacks feel squeeze of pitch clock
Harper, Schwarber, Castellanos power Phillies past Diamondbacks 5
Zac Gallen is Quietly Becoming One the Best Pitchers in Baseball
Zac Gallen Kills A Bird With Pitch During Warmups
Diamondbacks stun Phillies in Game 7 of NLCS to reach first World
Craziest pitch I've ever seen': Inside the Zac Gallen changeup