Tua Tagovailoa's latest head injury has put the NFL's concussion protocol in the spotlight once again. Here's what to know about the league's protocol.

There are multiple steps in the NFL's concussion protocol, particularly as they pertain to players returning to the field.

Tua Tagovailoa's latest head injury has put the NFL's concussion protocol in the spotlight once again. Here's what to know about the league's protocol.

Some ornaments are heavy and traditional metal hooks can be weak. The makers of the Ornament Anchor say their product is different, holding decorations weighing up to 10 pounds.

Tua Tagovailoa's latest head injury has put the NFL's concussion protocol in the spotlight once again. Here's what to know about the league's protocol.

Tua Tagovailoa's latest head injury has put the NFL's concussion protocol in the spotlight once again. Here's what to know about the league's protocol.

How does NFL concussion protocol work? Explaining when players can return to the field Dolphins QB Tua Tagovailoa suffered his third concussion over a two-year span ...

Tua Tagovailoa's latest head injury has put the NFL's concussion protocol in the spotlight once again. Here's what to know about the league's protocol.

Tua Tagovailoa's latest head injury has put the NFL's concussion protocol in the spotlight once again. Here's what to know about the league's protocol.

Tua Tagovailoa's latest head injury has put the NFL's concussion protocol in the spotlight once again. Here's what to know about the league's protocol.