"If there's a doubt in your mind whether this player has suffered a concussive event or not certainly sit that player out the rest of that game until he has a chance to see a doctor."
Ray Zepeda is Associate Athletic Director at Cy-Fair ISD.
"Any time that you're talking about a potential injury in that manner it's a serious situation and it's not an informal process."
The NFL has been laser-focused on the concussion issue and has just approved a rule preventing running backs from leading with the crown of their helmets. But critics say it'll ruin the game, because it's not natural or effective for a ball carrier to run straight up.