What Heavyweight in boxing history would have a chance at ko'ing a 1973-1977 Ali?

[Blue54]

This was Ali at his toughest imo and i really cant see any one ko'ing him at that point. Dropping him sure but ko i dought it he recovers so quickly from getting hurt.

[_Rexy_]

are we including Cruiserweights?

[Blue54]

are we including Cruiserweights?

If ur talking about past Heavyweights that are cruserweights now then yes.
Any one who fought in the Heavyweight division at one point in there career.

[Luilun]

1986 to 1989 Mike Tyson after that Mike Tyson was a has been