Elvin Hayes, one of the game’s great scorers and rebounders, is among the most underappreciated of the 76 greatest players. He appreciates the recognition “To be a part of the 50, you’re thinking, ‘Wow, that’s really a special situation,’ ” Hayes said. “But 75 comes along and you have all the great players you played against and you didn’t play against. ‘Hey, you really have arrived.’ “