No, Rick Barry was signed as a free agent. The problem was that back then, when you signed a FA, the players former team was awarded compensation. The compensation for Barry turned out to be John Lucas.
OT hands down. Guy went 21pts 10rbs 3ast one year and hovered around those numbers for a good while and shot 55% over his career, yet was never a big name guy. Hard to believe, actually.
I didn't even look at this thread. I'm sure it's full of people stating the obvious though. MARIO ELIE! Who else could it possibly be?