Just ban football altogether. Even adults hitting each other over and over with 200+# of momentum barreling into them proves nothing, imo. Boxing is an endurance test between two adults, 1v1. I get scared looking at the old vids of young Mike Tyson and how easily he would kill me in 1 punch than professional boxers duking it out and even getting knocked out ASAP from his concrete punches.
Take my opinion with a grain of salt but I think the NFL and NBA need to go away. NFL for obvious reasons, but NBA needs to go away as every player is 6+' tall, and can get a single basket anywhere on the court, they barely try to play and just jog up and down the court, compared to college basketball who try hard to get to the easy life NBA. Soccer is filled with throwing crybabies it acts as a drama tv show, NHL is un to watch as communication and skill surpass the previous sports, baseball is too boring and doesn't require much skill aside from seeing a small sphere travelling toward you in random movements at 100 MPH.