br If you've never heard of Circle Rules Football, you're not alone. This whimsical game, played on a circular field with a yoga ball, was created by avant garde theater students two years ago as a final class project. Since then, this high-energy sport has bounced out of the classroom and onto the playing field, winning over converts from Maine to Florida and evolving with each game played. Is it a legitimate sport with staying power or the next generation of performance art? Only time will tell. LEARN MORE circlerulesfootball.