Burnes, 30, was 70 pitches into his 11th start of the season when he hopped in pain and mouthed to his dugout that the discomfort was coming from his right elbow. He underwent an MRI on Monday and traveled to Los Angeles later in the week to visit with orthopedic surgeon Neal ElAttrache.

Arizona Diamondbacks starting pitcher Corbin Burnes is set to undergo season-ending Tommy John surgery, manager Torey Lovullo said on Friday.

All-Star right-hander Corbin Burnes of the Arizona Diamondbacks is set to undergo Tommy John elbow surgery, ending his season early in the first year of a $210 million, six-year contract.