If you follow MMA at all, you know at this point that Conor McGregor and Nate Diaz do not like each other. They've fought once before at UFC 196, with Diaz pulling off a come from behind victory getting McGregor in a rear-naked choke.

The rematch was set for UFC 200, but McGregor tweeted about supposedly retiring, and it turned into a whole mess. So it didn't happen at UFC 200. But it has been scheduled for this Saturday's UFC 202. from T-Mobile Arena in Las Vegas.

As they're doing press, getting ready for the fight, things have only gotten nastier between the two. And this isn't even for a title fight. McGregor is the Featherweight Champ, but this fight will be at a higher weight class (Welterweight), because that's where Diaz fights.

So while McGregor was doing a press conference, guess who showed up. Nate Diaz, his brother Nick, and a whole crew. Just a warning, there is lots of bleeped language, but the bottle throwing makes it totally worth watching. And watching Dana White realize at this point he's becoming just a babysitter.