Spanish doubles tennis player Nuria Llagostera Vives has been suspended for two years after testing positive for methamphetamine at a tournament.
Wimbledon champion Andy Murray called Victor Troicki and Marin Cilic "unprofessional" on Friday, adding his voice to the growing debate about the sport's anti-doping rules.
In the wake of Novak Djokovic's attack against tennis' anti-doping program, Roger Federer defended the system and asked for more doping tests on Thursday.
China's anti-doping authorities Wednesday announced three athletes had tested positive in the third quarter of the year.
Brazil has struck a deal with Swiss authorities to outsource part of the anti-doping program at next year's FIFA World Cup, local media reported on Sunday.
Croatia's Marin Cilic has been handed a nine-month doping ban by the International Tennis Federation.
Croatian tennis player Marin Cilic said on Monday he would make an appeal after International Tennis Federation (ITF) decided to suspend him for nine months for a banned supplement.
Spaniards reacted with disbelief and disappointment on Saturday after Madrid was eliminated as a possible host of the 2020 summer Games in the opening round of voting by the International Olympic Committee (IOC).
China's track and field governing body organized an anti-doping exam for all its athletes here on Thursday, one day prior to the kick-off of the athletics competitions at the ongoing 12th National Games.
Don Ramos, an 80-year-old weightlifter seeking a world record at the Pan American Masters Weightlifting Championships, has been banned for doping.
China's tennis queen Li Na has once again found herself at the center of controversy after a recent New York Times profile caused misunderstanding that the 2011 French Open champion took banned substance at the advice of her former coach.
Officers of the Tennis Management Center of General Administration of Sport of China denied that Li Na was once forced to take steroid pills as an article in the New York Times stated.