Countdown follows six of the UFC's top fighters as they prepare for UFC 173 in Las Vegas. Watch Countdown this Sunday, May 18, at 8PM/5PM ETPT on FOX Sports 1.
Countdown follows six of the UFC's top fighters as they prepare for UFC 173 in Las Vegas. Watch Countdown this Sunday, May 18, at 8PM/5PM ETPT on FOX Sports 1.