‘I don’t know what it will take for the NFL to get serious about head injuries. I do know that they should replace Riveron, who was an average official on the field. With all of these top-notch referees leaving the game for TV gigs, it’s in the NFL’s best interest to bring in one of those guys — preferably someone like John Parry who has Super Bowl experience — to run the officiating department. A change is needed.’