Question: who is best heavyweight boxer of all time?
Answer: Jack Johnson. 8 of 10. Rocky Marciano. 7 of 10. ...  Jack Dempsey. 6 of 10. ...  George Foreman. 5 of 10. ...  Joe Frazier. 4 of 10. ...  Larry Holmes. 3 of 10. ...  Evander Holyfield. 2 of 10. ...  Mike Tyson. 1 of 10. ...