I'd definitely favour Peterson over Prescott if they ever fought. He is no easy opponent for Khan, although I expect him to win.
Why would Khan want to fight Brook at this stage? He has no world title. He has no name in America. He's not a household name in the Uk.
Khan vs Brook could be a Benn vs Eubank, Haye vs Enzo type British superfight somewhere down the line but not right now.
Khan is in America, fighting big fights on HBO, they will want him to fight recognisable names to the American public. If Brook proves himself and becomes a world champion then this fight can happen. But only when Khan is fighting at welterweight, when Brook has a title and a big name and when it commands a decent payday.
You don't serve up a meal like that before it's cooked properly.
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