My first thoughts were how is Mir going to win this. Then I remember Mirko pulled off some weird submission on Barnett while in the guard.
It should 75% Barnett and 25% Mir. Barnett should just keep it standing. He could easily get caught up in an armbar.
Marcus Aurelius: Tell me again, Maximus, why are we here?
Maximus: For the glory of the Empire, sire.
Baked, not fried... the healthy choice.