Getty Philadelphia Phillies outfielder Johan Rojas Even among the most ardent of sports fans, followers of Philadelphia’s teams are considered extreme.   Many of us have heard the stories.   Eagles fans throwing snowballs at Santa Claus. Phillies fans hurling batteries at St. Louis Cardinals outfielder J.D. Drew. Flyers fans pouring drinks on St. Louis Blues coach Al Arbour, ultimately spurring police activity that resulted in Arbour allegedly taking a club to the head in “the worst player-fan-