Joshua or AJ as he is often called did not start boxing until later in his life. As a teenager, the Nigerian-born was more passionate about sprinting and football.

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In a new documentary released ahead of his anticipated fight, AJ is seen participating in a sprinting competition while in school and also playing football.

He started boxing while working as a bricklayer after he was released from prison.

Going to prison critical stage in the boxer’s life as he became more focused to live a different life to the one that landed him in trouble with the law.

His victory over fierce rival Dillian Whyte at the O2 Arena in December 2015 was captured in the short film.

The 90-second film which also stars his mum Yeta will be shown on Sky Sports as the last advert before he enters his fight against Klitschko.

The film is for Lucozade Sport's Made to Move Campaign, which AJ is an ambassador of.

The campaign seeks to inspire Joshua's growing following and to encourage active and healthy lifestyles.