Former UFC welterweight title challenger Nick Diaz accused Georges St-Pierre of being on steroids and missing weight by three pounds in their highly anticipated title fight back in March 16, 2013 at UFC 158 in GSP's hometown of Montreal, Quebec, Canada.
"Georges St-Pierre was on steroids when I fought him," said Diaz on Chael Sonnen's podcast Your Welcome.
Diaz, who's had a well-known history of testing positive for marijuana in his career, is convinced Quebec's athletic commission didn't properly test the UFC 158 fighters because he would have failed the test.