1. Huggs said it wasn't his decision, so that eliminates performance or ability to do the job he was hired to do.
2. If it involved a substance abuse, an altercation, harassment, or abusive situation, then it would have been followed up by the university announcing a full investigation....and there would have been leaks.
So, what does this leave? The only thing I can think of is it involved something on his personal time, away from the team. Many state employees sign contracts that have "moral turpitude" clauses in them, which gives their employer wide latitude to determine what is morally accepted and what isn't.