He'll get drafted, even if it's in the 7th round.
He's basically Ken Dorsey - someone will draft the 2-time National Champion, it'd be disrespectful not to.
The only thing this does is increase the number of teams Payton would go to.
He'd win BIG with Carr under C for him. If he can be acquired as a FA that'd be amazing, he's easily a Top 15 QB in the NFL.