Greb probably has the deepest resume in LHW history.. even better than Ezzard Charles.. i don't think this is cut & dry for the old mongoose... Greb was able to beat the likes of Gibbons, Tunney & Loughran .. these were great LHWs.. & all with a significant size advantage yet he tore them up.. in fact Gibbons and Tunney were undefeated when Greb beat them.. here's how great Greb was: https://thegruelingtruth.com/boxing/ezzard-charles-harry-greb-light-heavyweight-perspective/