Roy has that bad knee. It doesn't have any cartiledge meaning its bone on bone. He was suppose to have that surgery that Kobe and Tiger Woods had to restore damaged or destoryed tissue. If he had that surgery and it has restored the cartiledge in that knee I wouldn't see the Bulls taking a chance on him.
Roy need to focus on his health. If he were smart, he would take a minimal role for us, and go on a program with Tim Grover, near the city, to recover and condition his knees so he can play at a top-level again.