Question: who has doped in sports?
Answer: Maria Sharapova. Maria Sharapova and Meldonium at the Australian Open. ... 
Tyson Gay. In July 2013, Tyson Gay was meant to make Usain Bolt sweat in the 100-metre dash at the Moscow World Championships. ... 
Diego Maradona. ... 
Anderson Silva. ... 
Roy Jones Jr. ... 
Ben Johnson. ... 
Lance Armstrong. ... 
Shane Warne.