‘Where I come from,’ says the man standing between Amir Khan and his mega-fight with Floyd Mayweather, ‘it’s not good to be cocky.’ Where Devon Alexander comes from is St Louis, a 15-minute drive from the combustible town of Ferguson in which riots against white police killing unarmed black men have fanned out across America. ‘Where I come from,’ Alexander continues with cutting reference to growing up on the mean streets, ‘you don’t brag that you’re better than everyone. Because in our communities we believe nobody is better than anybody.’ VIDEO Scroll down to see Alexander trash talk Khan's level of  support in the UK
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Devon Alexander will fight Amir Khan in Las Vegas on Saturday
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The American has criticised his opponent's arrogance
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Alexander said if Khan was really good enough he wouldn't need to brag
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He also said whoever won deserved a fight with Floyd Mayweather Jnr
Alexander smiles at that notion and says: ‘He hasn’t done anything in our sport to deserve the big fight with @placeholder.
@placeholder speaks to the press ahead of his 33rd career fight, he has only lost three so far