The Diamondbacks pitcher needed just one tweet to win an argument.
Phillies power past Arizona 10-0 in Game 2 of NLCS - WHYY
Philly-area native Zac Gallen is going to his first All-Star game
Diamondbacks pitcher accidentally kills bird with pregame throw
Zac Gallen explains why he roasted Phillies fan on X
Diamondbacks' Zac Gallen burned by long ball again vs. Phillies
Social media in stitches as D-backs pitcher Zac Gallen's retort sends Phillies fan into privacy mode: Burnt him to a crisp
Arizona Diamondbacks' Ace Pitcher Expertly Roasted Philadelphia Phillies Fan on Social Media This Week - Fastball
Phillies' stars do what Dodgers' couldn't in Diamondbacks Game 1 loss
Diamondbacks ace Zac Gallen on two wild NLCS home wins: 'I'm glad we could defend the pool
NLCS Game 7: Phillies' Zack Wheeler, Diamondbacks' Zac Gallen say they'll be ready to pitch
Zac Gallen Reacts to Arizona Diamondbacks vs. Philadelphia Phillies NLCS & Growing Up in Philly Area