If these so-called bare-knuckle fighters were so good then why didn't they get a pair of gloves on and fight under Queensbury rules like proper boxers? His professional equivalent Henry Cooper would have given this bullshitting gypsy an absolute beating in the ringback in the 60's and 70's, never mind Tyson.
The reason they fought bareknuckle was because they organised random fights in pubs with other travellers and most of the time they cheated anyway, like the rest of their bretheren. There was nothing legit about them. It's all bollocks.