You can differentiate with A*, A+, A, A- etc if you really want to. I just labelled Vasyl Lomachenko an A* fighter in another thread. It's easier to just generalize the A-class category though, you don't have to go into the finer details of a grade within a grade.
Tyson Fury
Oleksandr Usyk
Saul Alvarez
Vasyl Lomachenko
Just a few. Are the likes of Callum Smith, Errol Spence Jr. and Terence Crawford proven A-class? Manny Pacqiauo was A-class, but is he still? Same goes for Sergey Kovalev and Gennady Golovkin?
Tyson Fury
Oleksandr Usyk
Saul Alvarez
Vasyl Lomachenko
Just a few. Are the likes of Callum Smith, Errol Spence Jr. and Terence Crawford proven A-class? Manny Pacqiauo was A-class, but is he still? Same goes for Sergey Kovalev and Gennady Golovkin?
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