![Diamondbacks' Gallen has sore forearm, might miss opener](https://cdn.theathletic.com/app/uploads/2021/04/13224255/GettyImages-1312356652-scaled.jpg)
Madison Bumgarner was the Diamondbacks' worst fear and Zac Gallen
![Diamondbacks' Gallen has sore forearm, might miss opener](https://cdn.gophnx.com/wp-content/uploads/2021/11/13094926/USATSI_16880307_168383315_lowres.jpg)
D-backs are proceeding with caution when it comes to Zac Gallen - PHNX
![Diamondbacks' Gallen has sore forearm, might miss opener](https://res.cloudinary.com/graham-media-group/image/upload/f_auto/q_auto/c_scale,w_400/v1/media/gmg/M37YGX7BQ5G4RNQPVTFS7CIWZA?_a=AJFJtWIA)
Zac_Gallen
![Diamondbacks' Gallen has sore forearm, might miss opener](https://res.cloudinary.com/graham-media-group/image/upload/f_auto/q_auto/c_thumb,w_700/v1/media/gmg/6VYPZPBSB5BI3FVOHRUK35MAE4.jpg?_a=ATAPphC0)
Tommy_Pham
![Diamondbacks' Gallen has sore forearm, might miss opener](https://www.azcentral.com/gcdn/presto/2021/03/01/PPHX/ebff0a34-90ef-4934-b449-791c2f5c4e12-cent02-7ept9axq3ms17ps77hle_original.jpg?crop=2999,2250,x0,y29)
Arizona Diamondbacks' Zac Gallen scratched from start after
![Diamondbacks' Gallen has sore forearm, might miss opener](https://cdn.fantasypros.com/wp-content/images/full_329887/1636x720.jpg)
Spring Training Injury Roundup: Zac Gallen, Chris Sale, Ke'Bryan
![Diamondbacks' Gallen has sore forearm, might miss opener](https://www.wric.com/wp-content/uploads/sites/74/2023/10/652b70c00d8926.62233539.jpeg?strip=1)
Diamondbacks' Gallen has sore forearm, might miss opener
![Diamondbacks' Gallen has sore forearm, might miss opener](https://res.cloudinary.com/graham-media-group/image/upload/f_auto/q_auto/c_thumb,w_700/v1/media/gmg/44KKZEDNF5FD3FIAICKDGJUACM.jpg?_a=ATO2Bfe0)
Bryan_Abreu
![Diamondbacks' Gallen has sore forearm, might miss opener](https://cdn.theathletic.com/app/uploads/2021/03/26145454/GettyImages-1231840511-scaled.jpg)
Fantasy baseball injury mailbag: Explaining Fernando Tatis
![Diamondbacks' Gallen has sore forearm, might miss opener](https://a.espncdn.com/combiner/i?img=/photo/2021/0309/r824136_2_1296x1296_1-1.jpg&w=130&h=130&scale=crop&location=center)
Arizona Diamondbacks awaiting test results on Zac Gallen's sore
![Diamondbacks' Gallen has sore forearm, might miss opener](https://cdn.allcitynetwork.com/wp-content/uploads/sites/4/2023/07/31025123/USATSI_20303967-scaled-1.jpg)
Diamondbacks roster projection 3.0: Final Countdown Edition - PHNX