Boxers with Matthew Amroliwala
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Mayweather v Pacquiao: How to referee big boxing match?

The pressure will be on the referee at the lucrative Floyd Mayweather v Manny Pacquiao match in Las Vegas - the fight that boxing has waited years to see.

Kenny Bayliss is the man refereeing the richest fight in history - he has to ensure the result is not controversial.

BBC presenter Matthew Amroliwala went to a gym to find out how hard it was to adjudicate.

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