‘The Notorious’ was on ‘Conan’ on cable channel TBS to promote his upcoming professional debut against Floyd Mayweather on August 26th at the T-Mobile Arena in Las Vegas.
The idea of a Mayweather fight was first floated during an appearance on the show way back in 2015.
Last night McGregor appeared via videolink to give his prediction for the fight next weekend.
The appearance came the night after Mayweather featured on Jimmy Kimmel Live! on terrestrial station ABC,
Watch McGregor on Conan below: