http://www.mensfitness.com/life/sports/the-10-greatest-sports-cheaters-of-all-time
https://www.youtube.com/watch?v=OOlYFq_Cd14
http://bleacherreport.com/articles/537712-the-40-worst-cheaters-in-sports-history/page/5
http://www.thesportster.com/entertainment/top-20-worst-cheaters-in-sports-history/?view=all
https://en.wikipedia.org/wiki/Ben_Johnson_(sprinter)
http://www.telegraph.co.uk/men/the-filter/10320304/Sports-biggest-cheats-10-instances-of-notorious-unsporting-behaviour.html
https://en.wikipedia.org/wiki/Lance_Armstrong
http://articles.latimes.com/1990-04-18/sports/sp-1508_1_jockey-sylvester-carmouche