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Anthony Joshua reveals how he felt as he walked out at Wembley to face Wladimir Klitschko.

The Briton added the WBA world heavyweight title to his IBF crown with a knockout win over Wladimir Klitschko back in April 2017.

Joshua said: "I remember going up on this platform and I could see Klitschko's camp in the ring just looking at me thinking: 'Imma knock this kid out, you better hurry up and get in this ring!'

"There's one thing sparring in front of 100 people, fighting in front of 100 people - Fighting in front of 80,000, serious business!"

The WBA and IBF champion was speaking to Mike Costello ahead of Saturday's unification bout in Cardiff against Joseph Parker.

This clip is originally from 5 live Sport, 29 March 2018.