Joseph Parker on the only way Derek Chisora could win his fight with Tyson Fury: 'It does take one punch to change everything'

The fortunes of Derek Chisora can be instructive for Joseph Parker. Despite suffering two consecutive losses to Parker himself, Chisora picked up a decent victory over Kubrat Pulev and tonight will challenge Tyson Fury for the WBC heavyweight title in London.

Parker came off a good performance in his second fight with Chisora only to meet Joe Joyce and be set back by a defeat.