great thread , i want to add : Roccigiani : Ralf , Graciano Tiozzo : Fabrice , Christoph , Frank Foster : Bob , Mac Dirrell : Andre , Anthony Mayweather : Floyd , Jeff , Roger i think that also : Hearns , Qawi , Eubanks , Collins had boxing brothers , at least one of Collins/Eubanks correct me if i'm wrong , about qawi i'm sure , he was mentioned before , Leonard's brother was also mentioned remark : Hagler and sims were merely HALF brothers.
Good mention. :good Del Flannagan won 105 pro fights and beat several former champs and contenders but never got a world title shot. Such were the times and the competitiveness of the game back then. I think Glen got a shot at the featherweight crown. There's was another brother, Jerry, but he didn't have many pro fights and was never a contender.
Some well-known heavyweights with lesser-known boxing brothers : Tim and Anthony WITHERSPOON Larry and Mark HOLMES Joe Frazier had at least two sons who boxed professionally : Marvis Frazier and Joe Frazier Jr. (also went by the name "Hector Frazier") I think there were other boxing Fraziers too.
V. and W. Klitschko J. and R. Marquez M. and L. Spinks M. and B. Baer J., M., and B. Quarry M., D., A., and S. Hilton G. and R. Ruelas O. and G. Canizales K. and K. Galaxy M. Hagler and R. Sims just to name a few
Micky Ward and Dick Ecklund... they also have another brother who was an amateur Roger, Jeff, and Floyd Mayweather Arturo and Joe Gatti Fritzie, Joe, Eddie, Pete, and Jack Zivic