AUSTIN, Texas - Lance Armstrong's attorney says the United States Anti-Doping Agency has granted Armstrong a 30-day extension to answer doping charges while the seven-time Tour de France winner challenges the case in federal court.         

Armstrong faced a Saturday deadline to either allow an arbitrator to decide his case or accept sanctions from USADA. The sanctions would likely include a lifetime ban from the sport and stripping Armstrong of the Tour de France titles he won from 1999-2005.    

USADA accuses Armstrong of doping during much of his career. Armstrong insists he is innocent and says he never failed a drug test.

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