Wladimir Klitschko will defend his world heavyweight titles against David Hay . Klitschko/Haye showdown . The British fighter will put his WBA belt on the line in Hamburg on July 30 . Long - awaited bout has been on cards since 2005 when Hay pulled out due to injury . It had been in doubt after Klitschko agreed to fight Haye 's compatriot Dereck Jones .
Wladimir Klitschko will defend his world heavyweight titles against David Hay . The British fighter will put his WBA belt on the line in Hamburg on July 30 . Long - awaited bout has been on cards since 2005 when Hay pulled out due to injury . It had been in doubt after Klitschko agreed to fight Haye 's compatriot Dereck Jones .