Or the ring foundations!...

To be honest though I don't know if I see any knock downs happening, maybe a late stoppage either way but I can't see Haye being able to get the leverage punching up to floor valuev and valuev doesn't operate like that.

if 300lbs clips you on the chin you'll go down, but Valuev doesn't have consitant one punch power, if he gets a knock down it will be because the punch landed just right and haye was in the right place for it to happen and not simply because his punches are concusive.