When the Sixers asked Bill Roth if he would return to his role playing Hip-Hop, the team's beloved former mascot, he was speechless. But in the end, his answer was yes. For the first time since 2011, Hip-Hop will return to the court in Philadelphia in November to help the team celebrate the 25th anniversary of their unforgettable NBA Finals run in 2001. Now Roth, 55, is training to hop, jump and dunk like he did more than two decades ago. "There's always been that little piece that's never left