Dolphins QB Tua Tagovailoa suffers at least 3rd NFL concussion after colliding with Damar Hamlin
Miami Dolphins quarterback Tua Tagovailoa sustained at least the third concussion of his NFL career during his team’s home game against their AFC East rival Buffalo Bills on Sept. 12. The injury occurred when Tagovailoa, 26, ran for a first down and his helmet collided with Bills safety Damar Hamlin.