world anti doping agency

The leaders of the IOC and World Anti-Doping Agency want Floyd Landis to provide concrete evidence to support his allegation of doping by seven-time Tour de France champion Lance Armstrong.

Suspended Belgian tennis players Yanina Wickmayer and Xavier Malisse are launching appeals with European authorities challenging the legality of the whereabouts rules of the World Anti-Doping Agency.

Manny Ramirez's positive urine test showed an elevated testosterone level, and a lab used a test to determine whether the hormone was naturally produced to build evidence against him, ESPN.com reported Monday.

Baseball asked the World Anti-Doping Agency lab in Montreal to perform a carbon isotope ratio test, which determines whether testosterone is natural or synthetic, the Web site reported.