Eagles game I would tread lightly because high testosterone environment combined with excessive tailgating. Not sure about hockey. Phillies game is pretty safe. No problem for Sixers because you are unlikely to encounter any actual Sixers fans.
Eitherway, anytime I attend a rival stadium, I usually go nuetral attire more out of respect than fear. At most, I'll sport my team's hat. Anytime I see someone all decked out in say a Cowboys uniform at an Eagles game, I think douche bag.
[h=1]Video Shows Woman Being Beaten While Crowd Watches[/h] PHILADELPHIA (WTXF) An alarming video of a woman being beaten on a city street while a crowd of people watches came to us by a Fresco News user. We immediately called police and tried to identify the victim and get answers about what happened.