Last season Kevinn Pinkney's luck was the product of the Boston Celtics' misfortune. Injuries had ruled out nearly half of the team from playing, and Pinkney was called up from the NBA Development League to help. This summer, though, Pinkney doesn't want to be someone's replacement -- he wants to earn his own spot on the roster. And he's using what he learned from the Celtics along the way. ...