On March 18, 1991, the Sixers retired Chamberlain’s No. 13 jersey. Wilt played for the Sixers from 1965-68, snaring a scoring crown, three rebounding titles and an NBA championship in 1967. And, although he wasn’t on the Sixers franchise when he logged his famous 100-point game (the Sixers did not exist yet), Chamberlain was playing in Philadelphia (for the Warriors) when he pulled that off on March 2, 1962 against the New York Knicks.   “I’m not thinking about all the rebounds and points I garnished, but I’m counting a lot of friends. And I count all you guys among them. Thank you,” Chamberlain said at the jersey retirement ceremony.  His No. 13 was the sixth number retired by the team, joining Julius Erving (No. 6), Bobby Jones (No. 24), broadcaster David Zinkoff, Billy Cunningham (No. 32) and former teammate Hal Greer (No. 15).