( CNN ) -- Wladimir Klitschko takes big weight advantage into title match against David Haye . Klitschko comes in more than two pounds heavier than Haye . Klitschko defends IBF and WBO crowns while Hay has British heavyweight title . Sell out crowd of over 5000 for Saturday 's fight in London .
Wladimir Klitschko takes big weight advantage into title match against David Haye . Klitschko comes in more than two pounds heavier than Haye . Klitschko defends IBF and WBO crowns while Hay has British heavyweight title . Sell out crowd of over 5000 for Saturday 's fight in London .