I am a filthy Irish animal. pic.twitter.com/n2dETi40b2
— Conor McGregor (@TheNotoriousMMA) June 20, 2017
Leave it to Conor McGregor to get the party started in terms of online trash talk between himself and Floyd Mayweather.
The reigning UFC lightweight champion showed off some wall art via Twitter Tuesday.
McGregor meets Mayweather in August from Las Vegas in a 12-round boxing match.