Breaking News: Conor McGregor launches foul-mouthed tirade at Floyd Mayweather after arriving in Los Angeles for pre-fight press conference: 'He should've stayed retired... he's f****d now

Conor McGregor launches foul-mouthed tirade at Floyd Mayweather after arriving in Los Angeles for pre-fight press conference: 'He should've stayed retired... he's f****d now

• Conor McGregor and Floyd Mayweather will fight in Las Vegas on August 26

• The pair will kick off their promotional tour in Los Angeles on Tuesday night

• McGregor and Mayweather will meet face-to-face at a press conference

• The Irishman has already launched a vicious verbal attack on the American

• McGregor claims Mayweather 'should have paid his taxes and stayed retired'

Conor McGregor has arrived in Los Angeles as he prepares to face Floyd Mayweather for the first time face-to-face at the start of a promotional tour for their much-anticipated boxing match in Las Vegas.

The current UFC lightweight champion will cross sports to take on the undefeated American in a money-spinning fight on August 26 which is widely-expected to break all previous pay-per-view records.

Much of the build-up to the bout has centered around the constant exchange of trash-talk between the two men, who are both known for their extravagant lifestyles away from the ring/octagon.