David Haye takes big weight advantage into title match against David Haye . Klitschko weighs in more than two sets heavier than Haye . Klitschko defends IBF and WBA crowns while David Haye has IBF heavyweight title . Sell out crowd of over 50,000 for Saturday 's bout in Geman .
Wladimir Klitschko takes big weight advantage into title match against David Haye . Klitschko weighs in more than two sets heavier than Haye . Klitschko defends IBF and WBO crowns while Haye has WBA heavyweight title . Sell out crowd of over 50,000 for Saturday 's bout in Hamburg .