Football is one greatest sport in the U.S. Football is liked by most of the American citizens. Here I will tell you everything you need to know about it. First of all there are 32 teams. Teams compete each other to win games by scoring touchdowns which are 6 points. Then you have a chance to get an extra point by kicking the ball through a y-shaped pole. After that, you kick it off to the other team so the have a chance to score too. This is here is the basic stuff about one of the greatest sports in America--football.