I saw Marco Antonio Barrera spar his brother. They went hard, which might surprise you if you have seen his brother fight. There are stories of Ray Robinson sparring guys like Ernie Lopez well into the 70s.
Supposedly Pryor gambled with even CWs to try and drop him in the gym. Those would be interesting to see-allegedly GGG spars with all the big boy weight divisions, HW,CW and LHWs. I’ve never seen any film however and he has been said to have dropped I think Kovalev.
Joe frazier vs Norton and Frazier vs holmes from what I’ve heard Frazier had the upper hand in both. But it would have been great if the fights happened for real. Would have made the 70s rankings abit clearer and something like this. I’m a Frazier fan. 1. Ali 2. Frazier 3. Foreman 4. Holmes 5. Norton
Heard Frazier broke Holmes ribs in sparring ... Would want to see that ... Especially since Holmes has become overrated while Frazier has become underrated. Young Lewis and young Tyson ... Word is that Tyson blasted out Lewis initially then later on Lewis did better .... Ali and Holmes Young Foreman and Liston Tyson and McCall where McCall knocked Tyson down Dempsey and Galento where Dempsey supposedly blasted him