American Football is the most popular sport in the United States. Football is played by two teams on a rectangular field. There are eleven players on each team. NFL is the best Football league in the United States and it was formed in 1920. This sports has millions of fans in the United States. The game of Football derived from Rugby and Soccer. The first ever Football game was played between McGill University and Yale. A quarterback is the most important player in the game of Football. The length of the rectangular football field is 100 yards and its width is 53 yards. Here are some Football coloring pages.