Heading into their highly anticipated blockbuster main event at July 11’s UFC 189 from Las Vegas, UFC featherweight champion Jose Aldo and outspoken Irish contender Conor McGregor have embarked on a UFC 189 World Championship Tour to promote what may be the biggest fight of 2015.

The first press conference for the tour is set go down from Rio de Janeiro shortly at 1 p.m. ET. Watch Aldo and McGregor get the hype and bad blood started in the official video below:

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Photo Credit: Jason Silva-USA TODAY Sports