U.S. Anti-Doping Agency chief executive Travis Tygart says the agency will ban Lance Armstrong from cycling for life and strip him of his seven Tour de France titles for doping.
Armstrong on Thursday night dropped any further challenges to USADA's allegations that he took performance-enhancing drugs to win cycling's premier event from 1999-2005.
Armstrong says USADA doesn't have the authority to vacate his Tour titles. However, Tygart told The Associated Press that USADA can do it.
Tygart called the Armstrong case a "heartbreaking" example of a win-at-all costs approach to sports.
Armstrong, who retired last year, declined to enter arbitration -- his last option -- because he said he was weary of fighting accusations that have dogged him for years. He has consistently pointed to the hundreds of drug tests that he has passed as proof of his innocence.