![Diamondbacks ace Zac Gallen uses doubters to fuel his fire](https://arizonasports.com/wp-content/uploads/2022/08/GettyImages-1415652385-e1660932751855.jpg)
Everything is synced up' on the mound for D-backs starter Zac Gallen
![Diamondbacks ace Zac Gallen uses doubters to fuel his fire](https://sportsrants.com/wp-content/uploads/2021/03/zac-gallen.jpg)
Diamondbacks Awaiting Test Results on Zac Gallen's Forearm
![Diamondbacks ace Zac Gallen uses doubters to fuel his fire](https://www.azcentral.com/gcdn/presto/2020/02/15/PPHX/6d7e4684-de7e-4ee1-8e60-2877f5e6f346-_61I7107.JPG?crop=2053,1155,x0,y270&width=2053&height=1155&format=pjpg&auto=webp)
Arizona Diamondbacks: Zac Gallen's rotation spot still unofficial
![Diamondbacks ace Zac Gallen uses doubters to fuel his fire](https://wp.clutchpoints.com/wp-content/uploads/2022/06/Diamondbacks-rumors-Arizona_s-stance-on-Zac-Gallen_s-future-amid-his-All-Star-type-start-to-2022-season.jpg)
Rumor: Diamondbacks' stance on potential Zac Gallen trade amid
![Diamondbacks ace Zac Gallen uses doubters to fuel his fire](https://arizonasports.com/wp-content/uploads/2022/07/GettyImages-1397784617-e1658352912443.jpg)
Zac Gallen nearly unhittable in Diamondbacks' blowout win over
![Diamondbacks ace Zac Gallen uses doubters to fuel his fire](https://www.azcentral.com/gcdn/presto/2022/04/28/PPHX/db97d51d-6efc-402a-914f-28041809e250-c98b4878da514860a74effabc46cc942.jpg)
D-Backs' Zac Gallen set to face Marlins for first time since trade
![Diamondbacks ace Zac Gallen uses doubters to fuel his fire](https://www.azcentral.com/gcdn/presto/2022/04/28/PPHX/db97d51d-6efc-402a-914f-28041809e250-c98b4878da514860a74effabc46cc942.jpg?crop=2882,1621,x257,y139&width=2882&height=1621&format=pjpg&auto=webp)
D-Backs' Zac Gallen set to face Marlins for first time since trade
![Diamondbacks ace Zac Gallen uses doubters to fuel his fire](https://arizonasports.com/wp-content/uploads/2020/02/gallen.jpg)
D-backs benefit from RHP Zac Gallen flying under the radar
![Diamondbacks ace Zac Gallen uses doubters to fuel his fire](https://arizonasports.com/wp-content/uploads/2019/08/GALLEN.jpg)
What D-backs fans should expect in Zac Gallen's debut
![Diamondbacks ace Zac Gallen uses doubters to fuel his fire](https://dims.apnews.com/dims4/default/76f63d6/2147483647/strip/true/crop/7057x4701+0+2/resize/599x399!/quality/90/?url=https%3A%2F%2Fassets.apnews.com%2F2b%2F06%2Fa5d9264e30939874d5996aabdc4e%2Fbd3218c2928f4226bab8abe1af46ed9a)
Arizona's Gallen, Walker root, root, root against the home team
![Diamondbacks ace Zac Gallen uses doubters to fuel his fire](http://arizonasports.com/wp-content/uploads/2023/05/bird-oh-no-again-e1684353118306.jpg)
Not again: Zac Gallen's warmup toss for D-backs strikes bird
![Diamondbacks ace Zac Gallen uses doubters to fuel his fire](https://www.azcentral.com/gcdn/presto/2021/07/03/PPHX/5c28bb86-ca2f-4e32-9abf-191ca0e6702b-Gallen1.JPG?crop=2950,1660,x0,y0&width=1600&height=800&format=pjpg&auto=webp)
Arizona Diamondbacks pitcher Zac Gallen goes on injured list again
![Diamondbacks ace Zac Gallen uses doubters to fuel his fire](https://dims.apnews.com/dims4/default/3c634b3/2147483647/strip/true/crop/4428x2950+0+2/resize/599x399!/quality/90/?url=https%3A%2F%2Fassets.apnews.com%2F69%2Fa0%2Fcc90c8c21d6d3da0c1bf297ec054%2F932a4673da484581900c3a513fc62dd3)
Arizona's Gallen, Walker root, root, root against the home team