dana: so there was a guy named whitey bolger, he said to me, you owe us money. i literally hung up the phone and got a one way ticket to vegas. harvey: and it was there dana built his empire by partnering with two high school friends to buy a mixed martial arts league on the brink of bankruptcy which they turned into a multi-billion dollar company. ( indistinct shouting and cheering ) harvey: dana has made his fair share of friends and enemies along the way, but he's not about to switch up the game plan that got him here. he trusts his gut. anybody who follows what they love, i believe that you're gonna be successful at it. harvey: dana white, one of the most successful and confident sports moguls in america, who's never been one to shy away from a good fight. - dana. - what's up my friend? - it's so good seeing you. - good to see you too. okay, i have never been to this facility. it is shocking. it is one of the nicest facilities. when did you build it? dana: it turned out well, we moved in last year. little over a year ago. harvey: that's what $4 billion gets