That and an NCAA finding that he violated a bunch of rules. When you get fired for breaking the rules and the rule maker finds you broke them and penalizes your employer because of it, you also kinda lose your leverage.
That's not true at all. His leverage comes from his protected status.
His argument isn't that he didn't break rules. It's that a white coach did the same (or worse) and didn't get fired.
I don't believe for a minute it had anything to do with race. UConn has ample evidence that the NCAA unfairly punished UConn in comparison to other programs, and that they had to act more severely than in the past. Ollie also lied to the NCAA and to UConn, something I don't think Calhoun ever did (or was caught doing).
That said, the fact a black man made him HC and a white man fired him and hired another white man to replace him only further complicates things. These facts matter in employment claims, to what extent varies, but they are facts that are taken under consideration.
The way-too-oversimplified version is "School allows white coach to cheat, but fires black coach for cheating, and replaces him with white man". Noting about that statement is false. Misleading of course, but it's a statement of fact.
On the surface, UConn looks awful (to the headline readers), while Ollie looks awful (to the arguably more informed people). I doubt whoever arbitrates this thing is as familiar with the nuance of the situation (or as biased) as we are. So the UConn legal team will have to make a strong argument, this isn't as open/shut as most of us would like, IMO. They shouldn't lose, but the Falcons should have never lost a 28-3 lead.