Sharapova admitted to failing a drug test via her use of a formally legal substance and claims she did not know that the substance was forbidden.

As two of the world’s most famous living sprinters, Jamaica’s Usain Bolt and America’s Carl Lewis should be celebrating each other, but instead they’re throwing shots at one another. Soon after winning gold in the 200 meters at the London Olympics for 100 and 200 titles at back-to-back games, Bolt said he had lost all […]

In 2009, sprinter and Olympic gold medalist LaShawn Merrit tested positive for banned performance enhancing drugs and faced a two year ban from competition —…