3: Lance Armstrong
Much in the same way as Alex Rodriguez, the source of the hatred aimed at Armstrong is mainly rooted in his drug problems.
Banned for life and stripped of his seven Tour de France titles for doping offences, he is the epitome of everything an aspiring sports star should not look up to.
The revelations that he had in fact been taking drugs throughout his career, which were only confirmed on an interview with Oprah Winfrey, have massively damaged his reputation, and he is now widely scorned.
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