First press talk in world tour. Both Floyd Mayweather and Conor McGregor thinks they will knockout each other. Conor McGregor come further he said he will knockout Floyd Mayweathe under 4 rounds. 

Many expect the Floyd Mayweather 40-year-old to reign as he aims to make it 50 fights undefeated - and 27 KO's along the way. To stay Undefeated champion. On there hand Conor McGregor think he will defeat the Undefeated champion and become first one to defeat Floyd Mayweather.

Some people have joked that the press conference should cost money to view while the fight should be free.

McGregor spoke first in press talk and packed audience at the Staples Center, with 'The Notorious' taunting Mayweather for his dress sense and reported tax issues.

Floyd Mayweather shows off a $100m cheque from his last bout and derided the Irishman for his UFC submission loss to Nate Diaz but McGregor was quick to offer up a prediction as to how he thinks the fight will go.

Floyd Mayweather on stage shows boxing moves, McGregor said dance to me boy.

Fight Floyd Mayweather vs Conor McGregor on 26th August at T-Mobile arena Los Vegas NV