In this Saturday, November 10, 2018 file photo, South Africa's Aphiwe Dyantyi, left, attempts to catch the ball as France's Teddy Thomas runs in during their rugby union international at the Stade de France in Paris, France. South Africa wing Aphiwe Dyantyi, who won world rugby's breakthrough player award in 2018, says he has failed a doping test. (Photo by Christophe Ena/AP Photo/File)
