Keidel: Mayweather’s 49-0 Mark Will Be More Impressive Than Marciano’s

By Jason Keidel
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Pundits see peril in comparing eras. How would Koufax have fared against Ruth? Could Lombardi’s Packers have tamed Joe Montana and Bill Walsh’s West Coast Offense? Could Russell’s Celtics stifle Jordan’s Bulls?
Boxing may have an ancient exemption. While pro athletes are larger and faster than ever, products of advanced training, nutrition – and perhaps some PEDs – a welterweight is a welterweight. 147 lbs, same sized gloves, same