Before his shoulder was injured, Roar Loeken seemed certain to win Norway's first medal in diving. Now there is serious doubt, but Roar will be trying anyway.
Rapidly improving Keisuke Sawaki of Japan moved to the top flight of world distance runners this year with excellent times at both 5,000 and 10,000 meters.
Colombian Cyclist Martin (Cochise) Rodriquez, enormously popular four-time winner of the Tour of Colombia, will go for medals in the pursuit races.
Guillermo Echeverr�a set world mark in 1,500-meter freestyle earlier this year, seems certain to be first Olympic swimming medalist in Mexico's history.