It's no wonder it developed. On the one hand is Dallas: a land of oil barons and wealth and an NFL team that has won five Super Bowls, the scent of superiority always in the air. On the other is Philadelphia: a place that prizes grit and effort and blue-collar sensibilities, a place whose NFL team has never won a Super Bowl, a place with an inferiority complex inherent in its sports (and arguably in its civic) culture. Yes, Jordan's hit on Brown initiated a process that likely would have developed naturally, but it did initiate it.