Boxing, Boxing History, This Day in Boxing Roberto Duran Stops Ken Buchanan This Day June 26, 1972 SteveJune 27, 2021, 5:18 amJune 27, 2021 78 Facebook Twitter NEW CHAMPION! Roberto Duran Stops Ken Buchanan This Day June 26, 1972 Roberto Duran 132¼ lbs Ken Buchanan 133½ lbs TKO in round 13 Madison Square Garden Previous ArticleMuhammad Ali Fights draw with Antonio InokiNext ArticleMuhammad Ali KOs Jerry Quarry This Day June 27, 1972 Retains NABF Title