Nine athletes tested positive for drugs and banned from the 2012 Olympics . David Potter : For as long as there have been games , there have been stories of cheating . He says cheating practices in ancient Greece included gambling and dirty tricks . Potter : Another method , typical in the ancient and modern worlds , involved hidden payments to athletes to take a dive . At Olympia , athletes had to dedicate a monument to their cheating .
Nine athletes tested positive for drugs and banned from the 2012 Olympics . David Potter : For as long as there have been games , there have been stories of cheating . He says cheating practices in ancient Greece included gambling and dirty tricks . Potter : At Olympia , athletes had to dedicate a monument to their cheating .