Question is why would the Bucks wanna let him go? He seems like the perfect compliment to Giannis (SF) and Parker (PF).
I suspect they don't.......
Their fans, at least on RealGM, definitely don't want to give him up for Kanter.
The argument for them doing it would be that Middleton won't be able to start if Parker is as good as people thought, unless they want to play Parker at PF. Also, they do need some more talented bigs. I highly doubt they do it, but who knows.