Because the QO was like 6mill. They should have given him that and in the off chance he does well offer him more than other teams and he'd stay. No reason to overpay him by a lot with nobody bidding against us
I disagree. This is a deal that only helps in the long term when trading next year. You can either eliminate salary by letting Green walk next year or you can include him in a sign and trade at a higher number if he has a good year when the Celtics try to completely re-tool. This is a good deal for the options it gives us.
The other thing this does, is keep the door open to trade Green before the deadline this year.
Had he been signed for the QO, there is a good chance he would veto any trade, because it would mean he would be giving up his bird rights, and unless the team he was traded to was under the cap, the most he could sign for as a starting salary (using non-bird rights) would be about $7.2 million per year. However, with the $9 million salary this year, it means he could be traded, and could then resign (or be sign and traded) by the team that trades for him at a salary starting at $10.8 million, which will be much closer (or potentially higher) than what he will be looking for.
This should be the difference between him vetoing a trade, or not, and it also may make more teams more willing to trade for him, since they know they will have a much better chance of resigning him.