Former Tour de France winner and Team Saxo manager Bjarne Riis knew about doping in his team but failed to act.
The doping suspension of Croatian tennis player Marin Cilic has reportedly been reduced from nine months to four months by the Court of Arbitration for Sport (CAS), making him eligible to return to playing from October 26 this year.
The Olympic weightlifting competition has been hit by three new doping cases on the eve of the games after two Turks and an Albanian tested positive for banned substances.
A four-year ban would prevent Russia from taking part in next year's Tokyo Olympics and the 2022 Beijing Winter Games.
World soccer's governing body called for a life ban for some doping offences.
President Vladimir Putin said on Wednesday Russia needed to conduct its own investigation into allegations its athletes had systematically taken performance-enhancing substances and that someone needed to take personal responsibility for the problem.
Swimming's world body FINA promised on Wednesday to investigate "as a matter of utmost urgency" new allegations of Russian doping if they could be substantiated by evidence.
Former world number one Maria Sharapova will compete at the Birmingham Classic grasscourt event in the lead-up to Wimbledon, Britain's Lawn Tennis Association (LTA) announced.
96 sportspersons returned positive in 2013 while the number of dope offenders in 2014 and 2015 were 95 and 120 respectively.
Chinese Olympic women's swimmer Chen Xinyi tested positive for a banned substance at the Rio Olympics on August 7, state media said on Friday citing the country's swimming association, the latest doping scandal to mar competition at the Games.
The sprinter said he was out Christmas shopping on December 9 accusing anti-doping agents of setting a trap to get him.
Vijay Singh has been cleared of doping by the PGA Tour despite admitting that he used a spray containing elements of a banned substance.
Russian federal investigators said on Saturday they had opened a criminal case against the country's former anti-doping chief on charges of abuse of office.
He will serve out five-month ban on Sunday but WADA says his case a pending one
France's main anti-doping laboratory, already under a provisional ban, has been suspended from carrying out anti-doping activities for up to six months because of analytical issues, the World Anti-Doping Agency (WADA) said on Friday.
The doping menace in India's Olympic sport has always left the establishment embarrassed and the BCCI in a marked departure has set up an anti-doping helpline so that its domestic cricketers (men and women) are aware of the medicines and supplements they are consuming.
The World Anti-Doping Agency (WADA) is to investigate Russian doping allegations relating to the 2014 Winter Olympic Games in Sochi, WADA said on Tuesday.
Ukrainian heptathlete Lyudmila Blonska has been stripped of her Beijing Olympics silver medal after testing positive for an anabolic steroid. She now faces a lifetime ban after what was officially her second doping offence. She returned to competition in 2005 after serving a two-year doping ban.
Rediff.com brings you players who have tested positive for use of banned substances over the years.
Sinner won in Cincinnati this week to claim his fifth title of a breakout season before the revelation that he avoided a ban over two positive tests
Olympic sprint champion Usain Bolt said the finding of 31 positive doping samples from the 2008 Beijing Olympics marked a rough point for athletics, but backed the World Anti-Doping Agency in its effort to crackdown on drug use in the sport. Thirty-one athletes from six sports could be banned from this year's Rio Olympics after failing dope tests when 454 samples were reexamined from the 2008 Games, the International Olympic Committee said on Tuesday. "It's rough in the sport," the six-times Olympic Champion told British media. "Something that's been tarnishing the sport for years." The IOC said it would begin re-testing athletes likely to take part in the Rio Games to prevent any drug cheats from competing.
Simona Halep is unsure if she will play again if the Court of Arbitration for Sport (CAS) does not uphold her appeal against a four-year doping suspension, the Romanian former world number one has said.
Indian shot putter Inderjeet Singh, who returned positive for banned substances last month, alleged that his dope samples might have been tampered with as the National Anti-Doping Agency gave him two different results on the same sample collected on June 29, a claim denied by the NADA. Inderjeet, one of the 36 Indian track and field athletes who qualified for the ongoing Rio Olympics, circulated documents at a press conference which showed that the National Dope Testing Laboratory had given two different results of the A sample taken on June 29 during the National Inter-State Athletics Championships in Hyderabad.
Maria Sharapova will miss next month's Rio Olympics after the Court of Arbitration for Sport (CAS) on Monday decided to defer its decision on the Russian multiple grand slam champion's appeal against a two-year doping ban until September. Sharapova was seeking to have her ban, which was imposed on her by the International Tennis Federation (ITF) in June, wiped out or reduced and a decision was initially expected to be announced by July 18.
Sports Minister Vijay Goel said he fears that doping may fast spread to the junior level and it needs to be curbed by creating fear in the minds of athletes.
Coaches being hand-in-gloves with athletes in usage of banned substances to win medals and later financial rewards from the government is well known in Indian sports but few have aired their views in public.
The new law will ensure that ICC has more powers to intervene if they feel a member is not doing all it can in the fight against drugs in cricket.
Indian cricket team vice-captain Virat Kohli said doping in sport is simply not acceptable and called for the harshest possible punishment for those who bring disrepute to the game.
American Tom Danielson has revealed he failed a doping test for synthetic testosterone but the Cannondale-Garmin rider denies taking a banned substance.
Iga Swiatek on Thursday called for the sport's governing bodies to provide players with more tools to combat online abuse
Belgium's Yanina Wickmayer upset top seed Flavia Pennetta 6-3, 6-2 in the final of the Auckland Classic on Saturday to complete a remarkable return to the courts after having a doping ban overturned.
American rider Levi Leipheimer has been sacked by the Quick-Step Cycling Team after admitting he took banned substances as part of the US Anti-Doping Agency (USADA) investigation into doping in the sport.
A doping scandal has resurfaced on the Indian athletics scene with two top women quarter-milers returning positive for a banned substance in tests conducted by the International Association of Athletics Federations.
IAAF president Sebastian Coe says there has been no cover up of Russian doping cases despite the latest leaked documents appearing to show that officials of athletics' governing body were discussing how to suppress news of positive tests.
A former official tells Rediff.com's Harish Kotian why Shaw deserved a lighter sentence, and why BCCI's anti-doping programme is the best in the country.
Sports Minister Sarbananda Sonowal's revelations came just a few days after India has been placed at the third spot in worldwide dope violation in 2014 in a report published by World Anti-Doping Agency.
Rafael Nadal is seeking 100,000 euros ($118,000) in damages from former French sports minister Roselyne Bachelot after she accused the Spanish tennis legend of a dope test cover-up.
A Chinese court has declared Sun Yingjie innocent after a former training partner confessed to spiking her kiwi juice with the banned steroid androsterone.
A hearing in the case of Russian curler Alexander Krushelnitsky, who tested positive for the banned substance meldonium, has yet to be scheduled, the Court of Arbitration for Sport (CAS) said on Wednesday.
Olympic swimming gold medallist Park Tae-hwan has been left "shocked" by a positive doping test, which his agency has attributed to an injection given to the South Korean swim star during chiropractic treatment ahead of last year's Asian Games.
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