Carlos Monzón held the Undisputed World Middleweight Championship for 7 years. He successfully defended his title 14 times and is widely regarded as one of the greatest boxers of all time.

Carlos monzon vs Nino Benvenuti 2 5/8/71

http://youtu.be/Td80vtYajzM

Carlos monzon vs Bennie Briscoe 2 11/11/72

http://youtu.be/mLvQBmmbgVE

Carlos Monzon vs Jose Napoles 2/9/74

http://youtu.be/WT7oJSIuKMk