Touchdown Football

American football is the number one sport in the United States. It is a sport that perfectly combines speed, strength and intelligence. Speed, "Ray, it's the Tar Heel running back again. He once again used his speed beyond ordinary people to break through the opponent's defense..." Strength, "This is an evenly matched confrontation. The offensive and defensive lines of the two teams are really a strong dialogue. This is a dialogue between people with a tonnage of 300 pounds..." Wisdom, "The Tar Heels once again made an unexpected change. In the formation on the field, they replaced a wide receiver with a running back, and the formation changed from passing to running the ball..." This is a world of light speed, huge power, and changing tactics. Welcome to the world of American football.