Mr Pacquiao's defeat of Miguel Cotto, a Puerto Rican, means he has now won world championships in seven different weight divisions a feat unprecedented in boxing history.

ECONOMIST: A hero for the Philippines

Much of boxing's cream is to be found in the lower weight divisions, with the light welterweight ranks full to the brim with talent.

BBC: SPORT | Boxing | Boxing 2005 - Rest of the world

Women's boxing made its Olympic debut Sunday with a round of 16 matches in each of the three weight divisions.

CNN: Bolt sprints to Olympic gold