I agree the NFL player comp wasn't a very good one, and you're right about the differences.
As far as the questions go, I've already stated my reason. That person (Donovan) gave everybody his binding word that he wanted to move on. If he was unsure, he should have opened that hole in his head and stated such. All parties involved now have to figure out what they're going to do now. And what if Billy decides to change his mind again? He may say he won't, or that he's sure he wants to return to UF, but who believes him? I don't. That's the problem with this. It makes your word meaning absolutely nothing to anyone. Like I said, if you're unsure, speak up, because after you sign a contract isn't the time to open your mouth.