Rumors are getting spread (by Z's agent, by Cavs insiders) that other teams are interested in and talking to Z so that they can cover-up the wink-wink/nudge-nudge aspects of this trade/buyout. They want it to look like there's a bona fide scramble to sign the big guy, when everyone already knows that it's a done deal.
I'd like Big Z, but I don't think it's realistic that the C's stand any chance of prying him away. Unless things have changed a lot since earlier in the season, this sounds like Z's last go-'round in the league, I can't see how or why he would leave a team that needs him, why he would want to move.