If you want a sign that Zion will never get close to his potential, here it is, against OKC he finished with 2 rebounds.
Yes it was a blow out and yes he only played 26 minutes, but a guy with his frame and his athleticism, 2 rebounds is embarrassing.
Now look at Prichard, he is barely 6 feet tall and manages to get 10 boards.
It is all down to effort.