British boxer Amir Khan has said he's 'in the best shape ever', going in to his bout with Devon Alexander in Las Vegas on Saturday.

The 28-year-old, who hopes to fight floyd Mayweather in 2015, added that victory in Saturday's welterweight showdown would 'send out a statement'.

Saturday's clash will be Khan's first fight since defeating veteran American Luis Collazo in his welterweight debut in May.

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