You don't like Deng's injury history, but you want Shaq? Also, Luol Deng was better when he was 21 years old than John Salmons was this year, in his career year. Salmons has a much more cap friendly contract in terms of both dollars and length though. But if you could guarantee me that 21 year old Deng is coming back I wouldn't have an issue keeping him. I just don't think he's going to be that good again. Between the injuries and the system we play in now where Rose (rightly) runs the show I don't see it coming back. Deng is basically a guy who relied on making lots of long, open 2s and slashing to the basket coming off of curls and screens. That's not really conducive to what's being run now.