P HILADELPHIA — Joe Frazier was a fixer, and he loved nothing more than fixing his gym. It was a sturdy, three-story building near Broad and Glenwood. When he was not training boxers, the former ...

Joe Frazier’s gym, once a historic boxing sanctuary ... But he was also a fixture in a hard-luck corner of North Philly, training young fighters in his gym — which sometimes doubled as ...