Top 10 Famous Sports Controversies

AUSTIN, TX – OCTOBER 21: Cyclist Lance Armstrong addresses participants at The LIVESTRONG Challenge Ride at the Palmer Events Center on October 21, 2012 in Austin, Texas. More than 4,000 cyclists participated in the charity ride supporting cancer survivors. Armstrong has recently been accused of leading “the most sophisticated, professionalized and successful doping program that sport has ever seen” according to USADA officials. (Photo by Tom Pennington/Getty Images)