A very poor and over hyped fight IMO, not as bad as Haye v Harrison or Haye v Valuev though.
The referee and Haye's corner should of stopped the fight when Haye was falling over without a solid punch connecting, the referee is supposed to protect the fighter even if the punches are not visibly damaging, probably made his injury worse.
I know it's about money, Bellew is good enough at Cruiserweight to unify the titles but nowhere good enough to fight Deontay Wilder. The last time Haye fought a good/decent heavyweight was when he lost to Klitschko.
This is why people are watching or are more interested in MMA, less titles belts, only one matchmaker/promoter (in the UFC) so no characters "blowing their own trumpet" like D.King, B.Arum, E.Hearn, O.Dela Hoya, etc... the UFC has good incentives to make fights more exciting like win bonuses, fight of the night, KO of the night & submission of the night.