Britain's Anthony Joshua (L) poses by his challenger Russia's Alexander Povetkin during a joint press conference at Wembley stadium in London on September 20, 2018 ahead of the title defence boxing match on Saturday. / AFP / Tolga AKMEN
Anthony Joshua, left, and Alexander Povetkin pose for photos after the press conference for their world heavyweight title fight. AFP 

Anthony Joshua under 'tons of pressure' ahead of fight with Alexander Povetkin