Anthony Davis will never forget the day he realized his life had been changed forever. It was 2009, the summer before his junior season at Chicago’s Perspectives Charter School. Davis had kept a low profile and hadn’t even seen Cortez Hale, his coach at Perspectives, for several weeks, until a chance meeting at a summer league game. Hale went slack-jawed at what he saw: the player who finished his sophomore season as a 6-foot-2 guard had shot up to about 6-7.