Francisco Rivera Flagged For Potential Anti-Doping Violation, UFC Issues Statement

UFC announced late Wednesday evening that Francisco Rivera has violated the company's USADA Anti-Doping Policy.The company posted the following statement regarding Rivera's violation on their official website:"The UFC organization was notified today that the U.S. Anti-Doping Agency (USADA) has informed Francisco Rivera of a potential Anti-Doping Policy violation stemming from an out-of-competition sample collection on July 23, 2016."USADA, the independent administrator of the UFC Anti-Doping Pol