A story of two world champions

Lee Ok-sung of the Republic of Korea, flyweight gold medalist at the 2005 World Championships in Mianyang, will have to face a tough opponent tomorrow, his successor as world champion, US boxer Rau'Shee Warren in the first round of the Olympic Boxing tournament.

The other gold medal favorites in the flyweight (51kg) division will face no serious challengers tomorrow. The gold medalist at the 2003 World Championships in Bangkok and silver medalist at the 2007 edition in Chicago, Somjit Jongjohor of Thailand will have an easy bout against Guatemala's Eddie Valenzuela, who came 33rd in Chicago.

The bronze medalist in Chicago, Azerbaijan's Samir Mammadov will meet unknown Moroccan Abdelillah Nhaila. The other bronze medalist at the 2007 World Championships, Italian Vincenzo Picardi will face Zambian Cassius Chiyanika, who has not attended any major international tournaments.

The 11 bantamweight bouts tomorrow will see a clash between the major favorites – Russia's Sergey Vodopyanov, the gold medalist in Chicago, will fight Puerto Rico's McJoe Arroyo Acevedo, the bronze medal winner at the same tournament. Silver medalist at the Chicago tournament, Mongolian Badar-Uugan Enkhbat will face 18-year-old Mexican Oscar Valdez. The other bronze winner in Chicago, Great Britain's Joe Murray will meet China's Gu Yu, who came 5th at the same tournament.