A day ago, Vladimir Klitschko during exercise had injured his back. After an initial diagnosis, Klitschko suffered a torn abdominal muscle on his left side. As doctors say Klitschko will have to pause for about 4 - 6 weeks.

The owner of IBF, WBO, IBO Wladimir Klitschko had to cancel the fight with British boxer Dereck Chisora.

The fight was supposed to be at SAP Arena Mannheim, Germany, this Saturday, Dec 11. This is the first time in Klitschko's career when he had to cancel the fight because of the injury.