Which heavyweights would've gone 49-0 if they fought the same opponents as Marciano?

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Originally Posted by brocktonblockbust

that era the fighters were smaller/lighter. its not a fair comparison.

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True but cannot see the likes of Norton doing it because they were not the most consistant champions and fighters and the chances they would have won all them one after the other makes me doubt they could do it, no matter how light the opposition.