Franco Harris's immaculate reception in 1972. Marcus Allen's run to glory in Super Bowl 1984. Tom Dempsey's 63-yard game-winning field goal in 1970. Deacon Jones's notorious sacks in game after game from 1961-1974. Every aspect of football showcases science, from throwing to hitting to running to catching. Momentum, velocity, force, and more are on full display in these game-changing football plays.