The thing with Simons is that we aren't necessarily stuck with him, but I doubt we're going to get much of value back for him.
It could be something as simple as Simons for Smart. Both on expiring contracts, but Boston saves $6M in the deal. Or it could be two players making a combined $22M or so and diverting one of them to another team to cut more salary.
Simons as a player is actually really good...at least offensively. Unfortunately, there just doesn't seem to be much of a market for him since there are so many guys in this league who do [almost] what he does. I don't think he made the jump POR was hoping for when he signed that contract, so it's likely he won't be paid as much on his next contract. That could actually be good for us if we hold on to him all year.