Primo fought in a much deeper era than folks realise. Carnera beat a lot of contenders like Lasky, Schaff, uzcudun, Neusel, laughran, santas, campolo, levinsky and Godfrey. He also beat poreda but the referee was banned for judging against Primo. People make assumptions without knowing enough about those fights. It was only really max Baer and Joe Louis who outclassed Primo with their punching power and I back both to knockout Lyle too seeing as Ali and Foreman did the same to him as wellas others later in both men's careers. Primo was a hard to beat superheavyweight. It would not surprise me if he beat Ron Lyle.