HALLE, GERMANY - FEBRUARY 27:  Wladimir Klitschko is seen prior to the IBO Cruiserweight World Championship fight between Marco Huck and Ola Afolabi at Gerry Weber Stadium on February 27, 2016 in Halle, Germany.  (Photo by Lars Baron/Bongarts/Getty Images)
OBERHAUSEN, GERMANY - APRIL 23:  World Champion Wladimir Klitschko of Ukraine exercises during the official training session ahead of his IBF, WBA, WBO and IBO World Championship fight against challenger Alex Liapai on April 23, 2014 in Oberhausen, Germany.  (Photo by Dennis Grombkowski/Bongarts/Getty Images)
OBERHAUSEN, GERMANY - APRIL 23:  World Champion Wladimir Klitschko of Ukraine exercises during the official training session ahead of his IBF, WBA, WBO and IBO World Championship fight against challenger Alex Liapai on April 23, 2014 in Oberhausen, Germany.  (Photo by Dennis Grombkowski/Bongarts/Getty Images)
HALLE, GERMANY - FEBRUARY 27:  Wladimir Klitschko takes a selfie with winner Cecilia Braekhus after her Welterweight World Championship fight against Chris Namus prior to the IBO Cruiserweight World Championship fight between Marco Huck and Ola Afolabi at Gerry Weber Stadium on February 27, 2016 in Halle, Germany.  (Photo by Lars Baron/Bongarts/Getty Images)