This weekend Anthony Joshua will be taking on Charles Martin in a world title heavyweight showdown at the O2.

The victor will be aiming to fight the winner between Tyson Fury and Wladimir Klitschko for the grand slam of belts which will be the WBO, WBA and IBO which Fury currently has after winning them off Klitschko in Dusseldorf.

In the build up to Joshua and Martin, why not test you boxing knowledge on our very own quiz of five boxing trivia questions.

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What boxing class is heaviest ?