Joshua to defend his titles at the Tottenham Stadium (Picture: Mark Robinson/Matchroom Boxing)

David Haye has predicted how Anthony Joshua will knock out Oleksandr Usyk in their world title showdown in September.

Joshua takes on fellow London 2012 Olympic gold medallist Usyk at the Tottenham Hotspur Stadium on 24 September with his IBF, WBO and WBA (Super) titles on the line.