By Nick Friedell (ESPN)Role for Bulls in 2010-'11: Johnson must prove to the organization that he is ready to take the next step in his development. He struggled to find minutes under former coach Vinny Del Negro and looked out of place on the floor when he did find himself in a game. To his credit, Johnson appears to have hit the gym hard this summer, losing over 20 pounds. He has the talent and athleticism to become a solid backup for new coach Tom Thibodeau and could give the Bulls even more depth behind Luol Deng, Ronnie Brewer and Kyle Korver.
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Best-case scenario: Johnson continues to get into better shape and improves his basketball IQ while watching copious amounts of tape with Thibodeau. He plays better defense and proves to the coaches that he can hit a mid-range jump shot when needed. He earns minutes as a spark off the bench and continues to show flashes of the player he became at Wake Forest.