Jae Crowder, a defensive menace for Boston. He's only 24, and he provides something (elite perimeter defense) that we don't already have on the roster. He's also got some offensive upside, although he's not very polished right now.

He's another guy who's a restricted FA, and I think that Ainge loves him, so the Jazz would likely have to overpay SIGNIFICANTLY to get him - probably no worth it.