It wouldn't be a Super Bowl without some crazy prop bets. Here are the 51 silliest things you can bet on for Sunday's big game. All props taken. It's that time of year again! Super Bowl prop bets. Needless to say, there are SO many of them, so For The Win's Luke Kerr-Dineen and Steven. The federal prohibition on sports betting turns 25 this year, but Americans aren't expected to have any trouble getting action on Super Bowl LI.