The climax of Michael McDonald's career may very well take place during the UFC on Fuel TV 7 broadcast.
It's actually hard to argue for or against. At the age of 22, McDonald is aiming to become the youngest UFC champion in UFC history. But even if he fails, his youth suggests that he'll have another title shot waiting down the road.
But there's no sure thing in MMA. His opponent, Renan Barao, defends his interim title as a -325 favorite against McDonald, and he's won 29 of his last 30 fights. The climb to become the youngest champion is steep.
So going into the biggest fight of his young career, here are five questions fans may have for the challenger.