Question: The Go For It! Roadshow, was a health education event for children presented by Birmingham, Alabama-based HealthSouth Corporation from 1995 until 2003, the show featured many celebrity athletes including which former baseball and American football player, who is one of the few athletes to be named an All-Star in two major sports, and the only one to do so in both baseball and football?
Sentence (from "Sports 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.
Relevant evidence: No