Either you fire the guy BEFORE the draft, and have him pack his bags and get out, or you fire him *AFTER* the draft, and don't say a word UNTIL after the draft.
If you tell him *BEFORE* the draft that you're firing him *AFTER* the draft, he may do something for revenge....like trading your young, athletic, starting small forward for Ryan Gomes and the next Trajan Langdon.
Not saying that Pritchard would ever think that way, but....