10pts. 1st person to answer question correctly?

Question

Answer question about other heavyweight undefeated during his career as heavyweight and also heavyweight champion.

Answer 1

Besides Rocky Marciano, Gene Tunney was was also undefeated at heavyweight, and his only pro loss was to Harry Greb (which he later avenged 3 times).

Answer 2

mike tyson will always be the best

Answer 3

Roy Jones and Gene Tunney were both undefeated as heavyweights and heavyweight champions.  Rocky, of course, was the only heavyweight champion to retire undefeated at any weight.

Answer 4

***who cares i just got 2 points

Answer 5

Rocky Marciano