This Day in Boxing Sugar Ray Leonard Spectacular KO vs Dave ‘Boy’ Green This Day March 31, 1980 Welterweight Title SteveMarch 31, 2020, 8:49 pmMarch 31, 2020 454 Facebook Twitter Sugar Ray Leonard Spectacular KO vs Dave ‘Boy’ Green This Day March 31, 1980 Welterweight Title Ray Leonard 147 lbs Dave ‘Boy’ Green 147 lbs KO at 2:27 in round 4 of 15 Landover, Maryland Referee: Arthur Mercante WBC Welterweight Championship Previous ArticleMuhammad Ali Suffers Broken Jaw in Loss to Ken Norton This Day March 31, 1973Next ArticleMarvin Hagler KOs Tommy Hearns This Day April 15, 1985 Middleweight Title