LONDON, ENGLAND - APRIL 29: Anthony Joshua reacts after knocking down Wladimir Klitschko in the IBF, WBA and IBO Heavyweight World Title bout at Wembley Stadium on April 29, 2017 in London, England. (Photo by Dan Mullan/Getty Images)
LONDON, ENGLAND - APRIL 29: Anthony Joshua reacts after knocking down Wladimir Klitschko in the IBF, WBA and IBO Heavyweight World Title bout at Wembley Stadium on April 29, 2017 in London, England. (Photo by Dan Mullan/Getty Images)