Football Vs. American Football - Basketball is a sport that requires hands and soccer is a sport that require legs. They similar because both require players to pass around the ball and score. And why are they different. Because you can only use your hands in a basketball game, whereas you can only use your foot and your body in a soccer match.
Rugby is comparatively older than American Football, perhaps almost a century older. Many sports historians believe that American Football was evolved from Rugby. Rugby's roots can be traced back to the early 1800s in England, where many clubs, mainly in southern England sprang up, promoting the sport and later forming the 'Rugby Football Union.