I think Warren's probably hedging his bets to see what the BBBC will do and whether they will stick to their guns about limitations on boxers fighting on that bill. If they do, then I suspect it'll be an undercard very short on quality.

Wait and see, and if the BBBC caves in, then Mitchell v Burns at Upton Park really does make sense. However, if Warren can get a sell-out off Haye v Chisora alone, then Mitchell v Burns might take place a week or two later.