1. Harry grebb a middleweight who beat 14 HOF's ranging from middleweight to heavy
harry grebb

2. Jimmy Mclarnin started fly and beat 12 HOFs from fly to welter

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3. Sam Langford who started from lightweight and beat 11 HOFs from lightweight to heavy

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4. Sugar Ray Robinson a welter to beat 10 HOFs from welter to middleweight

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5. Henry Armstrong who was a feather and beat 10 HOFs from feather to middle

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Dayum all legends. Compare em to boxers of today who cherrypick till they retire and you'll shake your head. Among today's boxers its just Pacquiao who has had over 10 fights against HOFs Marquez 4x, Morales 3x, Bradley 3x, Barrera 2x, Dela Hoya, Mosley, Cotto and Hatton. Bradley and Hatton may even be borderline greats. The rest of active boxers just simply avoid the best in their era or worse wait till they grow old or get badly beat through great wars.

This is the reason why I can't rank any active boxer too high. 4 of the boxers mentioned i personally rank top 5 all time with the exception of Mclarnin as I'd have Ali instead.