Is perkins a restricted fa or something? if the Cs negotiations go south is what im saying
Nope, he is unrestricted. And I could absolutely see him going elsewhere for the MLE...although I think its unlikely since I expect teams with cap space to offer him more. But I don't think it is a given that the C's would go over the MLE to sign him, and I also don't think its a given that Perkins would simply give the C's the right to match any contract.
And on the actual topic, Lebron and Wade are not going anywhere...and while Bosh is slightly (and I mean ever so slightly) more likely to be moved, they won't consider it for another year or two unless they are blown away by an offer.
Riley is not an idiot, he knows the talent is there, and they just need to learn how to play together, and get the remaining pieces that allows the team to fit better. I really think once they can get a legit big man next to Bosh to do the dirty work, he is going to be an incredibly dangerous weapon for that team.