I believe mark Breland had five New York golden glove titles ! I know Stevenson had a whack of Gold Medals as well !
Alexander Povetkin has olympic gold, world champion title (amateurs) and a great kickboxing career. Vasiliy Lomachenko is probably going for all the records, then there is Odlander Solis
Francis Vastag, won 3 times the world championship(1989,1993,1996),once a bronze medal at world chmapionship(1991), 2 times European champion(1993,1996). He had a record of 385-victories and 17 loses.Here are some of his important fights: http://web.archive.org/web/20091026224119/http://www.geocities.com/pedrinet/vastag.html and here is his wiki page: http://en.wikipedia.org/wiki/Francisc_Vaştag