Yup, Mike Conley. Conley is off to an excellent start this season in Memphis' first three games, and the Grizzlies have committed to him at point guard throughout his short NBA career. But he has also displayed little growth, and has yet to prove he's even an average point guard.
Making matters worse, the Grizzlies are a small-market team that has just tied up over $130 million for the next five years for Conley and Rudy Gay. Marc Gasol, O.J. Mayo and Zach Randolph, the team's other three starters, are up for contract extensions within the next two years. Therefore, keeping Conley could easily prevent the Grizzlies from keeping one or more of those players.
(Check out the Article, its actually an interesting read, in Hindsight)