Harrison won super heavyweight gold at the Sydney Games and was tipped to become a world champion in the professional ranks.
For Taylor, 30, a former undisputed middleweight king, his clash with Froch marks a chance to become a world champion once more.
Harrison, 37, is convinced he can still become a world champion after Friday's success, but while he may be getting carried away, no-one else is.
The quietly spoken, likeable lad had become a world champion.
Despite all that, Massa's overriding problem is that he may not get a better chance to become world champion than in 2008.
Twell is entering her first season in the senior ranks after a 2008 that saw her become world junior 1500m champion.
Despite giving away 33lb in weight and four inches in height, Jones outclassed Ruiz over 12 rounds to become the first former middleweight world champion to win a heavyweight title since Britain's Bob Fitzsimmons dethroned James J Corbett in 1897.
The 29-year-old Londoner won a majority decision in Nuremberg to become the first British world heavyweight champion since Lennox Lewis retired in 2003.
Anita Wlodarczyk of Poland set a world record of 77.96m to become women's hammer champion.
Khan eased to a unanimous points win over Andreas Kotelnik on Saturday night to become world champion, aged only 22.
But in July he stunned the sport by snatching gold with a superb final dive, to become Britain's first individual diving world champion.
Hamilton has become a hate figure for some Spaniards because of his rivalry with the country's double world champion Fernando Alonso when they were team-mates at McLaren.
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