Rick Barry
During the 1976–77 season, DiGregorio led the league in free throw percentage a second time, with a then-NBA record 94.5%. In 1977, he joined fellow NBA stars Julius Erving, Rick Barry, Wilt Chamberlain, and Pete Maravich, in endorsing Spalding's line of rubber basketballs, with a signature "Ernie D." ball making up part of the collection.