The way it is written, it could have been Ainge offering Crowder, the #3 and the #16 and being turned down by Chicago.
Mike
Underneath it says "But the Celtics have a reputation of trying to win trades and kept changing terms, none of which ultimately met the Bulls' liking."
That suggests that this proposal was the Bulls' proposal, and, once again, this was essentially the same rate for Butler that was rumored at the deadline, so it makes sense why it would be them still proposing that.