Four more Russian athletes were linked to the use of meldonium on March 8, a day after tennis star Maria Sharapova announced she had tested positive for the banned drug.
USA Today: Four more Russian athletes test positive for meldonium
(FILES) This file photo taken on April 27, 2014 shows Russia's Maria Sharapova (R) driving the winner's price, a Porsche 911 Targa sportscar, next to Porsche CEO Mathias Mueller after winning the final of the WTA Porsche Tennis Grand Prix in Stuttgart, southwestern Germany. German car manufacturers Porsche became on March 8, 2016 the third big-name sponsor to distance themselves from Maria Sharapova after the tennis star admitted failing a doping test at the Australian Open.
