An onside punt is a real thing in the Canadian Football League, and it led to this incredible touchdown

Knowing the rules helps.

With the NFL season right around the corner, we're ready for to get back to football.

And while the Canadian Football League isn't quite the same, it did give us this incredible gem, where onside punts are legal.

According to the rules, if players line up behind the kicker, they can recover the ball and advance it. One team (Toronto) knew that rule, while the other team (Hamilton) did not.