How would Barenuckle fighters fair today?

[Larry the boss]

How would they translate to this era of boxing

[Larry the boss]

John L Sullivan

[Spartacus Sully]

the creme de la creme of the bare knuckle boxing world (ryan, mace, mendoza, cribb, belcher, sayers, ect), if given time to train and adapt (1-3 years) could all become world beaters.

[Barn]

If they jumped straight into today's climate with no adjustments, pretty damn terrible.

[bojangles1987]

Don't you watch television? Bare knuckle fighters with handlebar mustaches are the toughest men ever to walk the planet.