Boxing Guide: Every World Heavyweight Champion between 1885-2024

Roy Jones Jr., 2003-2004

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Some people might have forgotten it, but in his spectacular career, where he held multiple world titles in four weight classes, Roy Jones Jr. was a WBA heavyweight champion between 2003 and 2004.

Jones officially weighed in at 193 lb (88 kg) when he defeated Ruiz, who weighed in at 226 lb (103 kg), via unanimous decision. He became historic as the first boxer to start at light middleweight and win a heavyweight championship.

Impressive indeed!