Anthony Joshua and Wladimir Klitschko are slugging it out now at Wembly. Anthony Joshua seeking to add vacant WBA heavyweight title to IBF crown. Wladimir Klitschko aiming to become world champion for third time. 90,000 fans are watching live at Wembley Stadium with millions watching on TV across the world. Go our son Joshua! Nigeria is behind you….. but then Klitschko is tough.