Haye would eat Arreola up with 3 rounds.
Haye would KO Povetkin within 8 rounds.
Haye would destroy Adamek early.
Haye would KO Tyson Fury in 1 round.
Basically, there's no point in Haye fighting anyone other than a Klitschko.
But yeah, I'd love to see brutalise Arreola.