was cus damato the greatest trainer of all time

[Kid Achilles]

Cus was actually not even Tyson's trainer: he was his mentor and motivator. Rooney and several other men instructed Tyson in technique and conditioning.

[Foreman]

Eddie Futch and Angelo Dundde have to rate higher than Cus. It's been said(and proved) by many that Futch could figure out a way to beat anybody.