the 1976 Philadelphia Flyers gone on killing spree in Madison Square Gardens.
the 1973 Oakland A's kill each other in a club house brawl.
So if I get it we no longer have to fear Hooligans as much as we have to fear the Athlete who I might think might end up doing cannibalism during the game
You'd probably get a dual number of sporting bodies for major sports - the steroid ones and the non-steroid ones.