Getty Images Oregon’s Nate Bittle, known as “The Alligator” from his AAU days — a nickname that never really stuck. Sports nicknames can acquire a life of their own. The right nickname can define an athlete’s legacy just as much as their basketball achievements, from Magic Johnson to Karl Malone. Nate Bittle, an Oregon center, has a slightly different story to tell. Bittle is a player who had a great nickname, ‘The Alligator,’ but it never gained popularity. At first glance, it is a solid