Honestly I'd go with Byrd to "narrowly" outpoint Valuev. Chris was an underrated fighter with good movement and decent skill. Ruslan Chagaev was able to steel a win from big Nikolay so I'll give Byrd the benefit of the doubt to take it on close cards.
I'd even say that Byrd had pretty good skills and was very fast (contrary to SNV who was slow as hell and with Caveman's boxing skills). Surely SNV was 110 lbs heavier and 12 inches taller than Byrd, but Chagaev was also small HW, far slower than Byrd, and beat SNV. But Byrd always lacked strength and power to shut out his opponents, so he loses a couple of rounds but comfortably wins on cards.
