By John Morgan, MMA Underground Shoulder injury brings unfortunate end to UFC on ABC 3 headliner in the opening round. View the original article to see embedded media. A highly anticipated battle between top-ranked featherweights Yair Rodriguez and Brian Ortega ended in rather disappointing fashion, with an injury bringing the fight to a close in the opening round of the UFC on ABC 3 headliner. During a grappling exchange in Saturday’s main event at UBS Arena in Elmont, N.Y., Ortega’s right shoulder visibly popped out of socket, and “T-City” rolled to his back, audibly screaming in pain, award…