I think he was already in the super six with Mick Hennessy fighting for a chance to become the top fighter in the super middleweight division under Mick, if he he hadn’t met Hearn he certainly wouldn’t have been on his way to becoming a journeyman, all Eddie did was give him the icing on the cake fights and setting him financially for the end of his career.
That's who first comes to mind....those wins over Jones and Tarver were incredible. They were top of the division, then a dude with 10 losses comes in and beats both one after another.
'Prince' Charles Williams Emanuel Augustus A bit before my time, but let's not forget the original 'Cinderella Man' Jim Braddock of course.