When Tua Tagovailoa dropped the crown of his helmet, it became obvious where this conversation was headed. The Dolphins quarterback rammed into Bills safety Damar Hamlin’s biceps on Thursday, suffering his third diagnosed concussion in the last 24 months. Within minutes on social media, calls began for Tagovailoa to retire, citing his predisposition for head injuries and concern for his long-term health. I won’t lecture him to quit.