Liam Neeson was an Irish amateur boxing champion.
Tommy Burns was, apparently, the shortest heavyweight boxing champion ever, at 5’7″
Smokin’ Joe Frazier was legally blind for most of his professional boxing career
Al Capone offered to fix a match in Jack Dempsey’s favour in the Dempsey-Tunney bout in Chicago, Illinois, but Dempsey refused.
Most Bouts: Len Wickwar 466
Most Championship fights: Jack Briton 39
Most Championship rounds: Emille Griffith 339
Longest span between winning titles: George Foreman 21 years, 10 months and 14 days
Biggest weight difference: Bob Fitzsimmons (174) KO2 Ed Dunkhorst (314) = 140lbs