"He’ll be a big body that will come into play along with Zaza in this series for sure. That’s kind of what we brought him in for. So, depending on how the foul situation goes, yes, he will play a role having to guard Howard."It's been done. It didn't help. Two fouls and a turnover in 1:47. During part of a 15-2 Orlando run.
I don't think that excluding Jason Collins entirely from the action* on March 24th is the reason the Hawks but I don't think it hurt.
*And limiting Mario West to two appearances, the first lasting 11 seconds and the second 16 seconds.