As he does, Miami is handing the keys over to backup Skylar Thompson. In the wake of Tagovailoa's head injury, head coach Mike McDaniel described Thompson as the "next man up."

Tagovailoa recently suffered his fourth concussion in the past six years. He is meeting with neurologists to discuss his future in football.

As speculation about Tua Tagovailoa's third concussion swirl, some are wondering if a Guardian cap would have helped. The answer isn't that simple.