Brutal news Sunday out of Diamondbacks camp.

According to Nick Piecoro of the Arizona Republic, staff ace Patrick Corbin has been diagnosed with ”damage to the ulnar collateral ligament in his left elbow.” Corbin is going to seek a second opinion, but a damaged UCL almost always leads to Tommy John surgery, which would cost the young left-hander the entire 2014 season and maybe even part of 2015.

Corbin had been projected to start the MLB season-opener on March 22 against the Dodgers in Australia. Wade Miley is going to pitch instead.