both use a type of ball, both team based, both time limited
One is rough, One is tough &the other is for puffs.
They all involve a ball of some sort, a referee, a team of players, substitutes, coaches, a form of scoring at either end of the pitch, a crowd and all are televised sports.
They are ranked as the 3 most popular sports in the world and are played all over the world, all three are Olympic sports in some degree.
They play on a rectangle
A ball is involved.
