Floyd Mayweather wins a bronze medal at the 1996 Olympics in Atlanta, although most people believe he was cheated out of gold

Mayweather claims the WBC super-featherweight crown in his 18th pro fight and makes short work of Angel Manfredy in his first defence

Mayweather, still only 23, floors Mexican hardman Diego Corrales five times on his way to a 10th-round stoppage in 2001

The Grand Rapids native moves up to lightweight and claims the WBC title from another tough Mexican, Jose Luis Castillo, in 2002

Mayweather claims the WBC light-welterweight title from DeMarcus Corley in 2004 and demolishes Arturo Gatti (above) one year later

Mayweather claims the IBF welterweight crown - his fourth world title - after a wild encounter with fellow American Zab Judah in 2006

As his career progresses, Mayweather's ring entrances become more extravagant - here he is a Roman Emperor against Carlos Baldomir

Oscar de la Hoya is next for Mayweather in 2007 and the WBC light-middleweight king drops a controversial split decision

Manchester's Ricky Hatton is outclassed by Mayweather in December 2007 and that fight would appear to be his last

Mayweather, who appeared on Dancing with the Stars in 2007, appears at WrestleMania in 2008, where he fights the 500lb Big Show

Mayweather has scrapped a September rematch with De la Hoya and a mooted rematch with Hatton to spend more time with his family

Mayweather retires undefeated in 39 paid fights, having won world titles at five different weights and amassed approximately �100m