Re: Greatest Middleweight once and for all- Greb? Monzon? Hagler?
Fleischer wrote "50 years at ringside" in 1958 and I have an original although beat up copy. Interestingly in the last chapter he rates the greatest middleweights of all time.
Its very possible he changed his mind over the years. Based on his writings in this book he thought Ketchel, Ryan and Greb were the very top elite so possibly he did not feel either three had that much over the other.