Dallas Winston hosts as analysts Zane Simon and Connor Ruebusch buzz through each fight on tonight's TUF 20 Finale and tomorrow's UFC on Fox 13.

Heavyweights Alistair Overeem, Stefan Struve, and Gabriel Gonzaga could all be facing the end of their UFC careers. Plus, Jamie Varner finds himself in a do-or-die match against Drew Dober.

Roy Nelson believes the UFC is worried about losing Cain Velasquez as a champion and refuse to book the pair of heavyweights in the 'Pacquiao vs. Mayweather' of MMA.