Miami Dolphins quarterback Tua Tagovailoa returned to Miami on Thursday with the team following a scary injury in the team’s game against the Cincinnati Bengals. In the second quarter, Tagovailoa was thrown down on a sack, and in his fall he hit his head. Immediately after impacting the ground, Tagovailoa’s arms flexed and his hands began to clinch. The training staff and medical personnel ultimately placed the quarterback on a backboard, then on a stretcher, and took him to the University of Cincinnati Medical Center. After being evaluated at the hospital, Tagovailoa was found to have no further injury past…