In addition to the major professional and college sports, numerous semi-pro, amateur, community, and high school teams play in Philadelphia. The city hosts numerous sporting events, such as the Penn Relays and the Collegiate Rugby Championship, and Philadelphia has been the most frequent host of the annual Army-Navy football game. Philadelphia has also been the home of several renowned athletes and sports figures. Philly furthermore has played a historically significant role in the development of cricket and extreme wrestling in the United States.