If that’s the case, it calls serious question the NHL’s concussion protocol, basically leaving the decision to stay in the game up to the player, which it is specifically designed to prevent.

Rookie running back Ray Davis remains in the NFL concussion protocol but was a limited participant at Wednesday's practice. The league defines limited participation as a player who takes less than ...

Jalen Hurts is still in concussion protocol nearly two weeks after Commanders linebacker Frankie Luvu made sure to drive the Eagles quarterback’s head into the turf with a helmet-to-helmet hit.