Iga Swiatek on Thursday called for the sport's governing bodies to provide players with more tools to combat online abuse
Nirmala Sheroen tested positive for the steroids drostanolone and metenolone at a competition back home in June 2018.
Victor Conte, the man at the centre of what was the United States's biggest doping scandal, believes the latest drug scandal to rock the sports world is all part of a cover up to protect the bottom line.
Bulgaria's weightlifters will be absent from next year's Olympics after the sport's governing body banned the country's athletes following a high number of doping cases, it said on Friday.
British player Dan Evans has been provisionally suspended after admitting on Friday that he had failed a doping test for cocaine at the Barcelona Open in April.
Vijay Singh has been cleared of doping by the PGA Tour despite admitting that he used a spray containing elements of a banned substance.
Jamaican 400 metre runner Dominique Blake was banned for six years on Thursday for a second doping offence.
Russia was banned from the world's top sporting events for four years on Monday, a period that includes the next summer and winter Olympics and the 2022 World Cup in Qatar, for tampering with doping-related laboratory data. The World Anti-Doping Agency concluded that Moscow had tampered with laboratory data by planting fake evidence and deleting files linked to positive doping tests that could have helped identify drug cheats.
The Rio Olympics athletics programme suffered its first doping setback as Bulgarian runner Silvia Danekova has tested positive for EPO, sources told Reuters on Thursday.
Shaw dealt with a career hiccup after inadvertently ingesting a prohibited substance, commonly found in cough syrups.
Novak Djokovic says he has lost all trust in the anti-doping programme in tennis and fears he could become a victim of its 'negligence' after fellow Serb Victor Troicki failed to have his doping ban overturned on Tuesday.
IAAF defends action against Radcliffe
Dilshod Nazarov of Tajikistan has been handed a backdated two-year doping ban, the Athletics Integrity Unit (AIU) said on Thursday, and will be unable to defend his title at this year's Tokyo Olympics.
The tussle with the National Anit-Doping Agency (NADA) over dope testing of Indian cricketers will come up for discussion when the much-awaited Special General Meeting of the Board of Control for Cricket in India is held in New Delhi on December 11.
India goalkeeper Subrata Paul has three weeks to present his case before an anti-doping panel after his 'A' sample tested positive for a banned substance, the chief of the National Anti-Doping Agency (NADA) said on Wednesday.
Indian wrestler Narsingh Yadav has been banned for four years by the Court of Arbitration for Sports (CAS) following an appeal by the World Anti-Doping Agency (WADA).
Kenya, facing scrutiny from world anti-doping officials and criticism that it is not doing enough to tackle the problem, has banned seven more athletes for doping offences, raising the total number of Kenyan drug cases in the last three years to 40.
Russia's men's quadruple sculls crew have been banned from the Rio Olympics after one of their members failed a doping test in May, the world governing body FISA said on Friday.
Romanian weightlifter Gabriel Sincraian and Russian boxer Misha Aloian have been stripped of their 2016 Olympic medals after failing doping tests at the Games, the Court of Arbitration for Sport said.
Summary of sports events and persons who made news on Wednesday.
Michael Phelps urged US lawmakers on Tuesday to push for a reform of the global anti-doping effort in sport after a career in which the Olympic great said he was never confident he was competing against clean athletes.
Shaw's ban ends on November 15 and he has already started training for Mushtaq Ali Trophy where he would play for Mumbai.
While handing down a four-year ban on Narsingh Yadav, the Court of Arbitration for Sports has ruled that the wrestler failed to produce any 'real evidence' regarding the sabotage theory he had advanced and the balance of probabilities was that he orally took the banned substance intentionally in tablet form on more than one occasion.
The US Open champion said the only secret of her success is hard work.
Russia was the leading doping offender in global sport during 2014, followed by Italy and India, the World Anti-Doping Agency said on Wednesday.
Suspended Indian wrestler Sumit Malik on Tuesday said he has no idea how a banned stimulant entered his body but admitted that he was on painkillers during the recent Olympic Qualifiers and had informed the world body about that before taking the mat.
Marin Cilic cited a knee injury at Wimbledon this year to hide the fact he had failed a dope test, the International Tennis Federation (ITF) has revealed after handing the Croatian a nine-month suspension.
The postponement of the Tokyo Olympics will allow athletes banned until 2020 to qualify for the Games next year as doping bans are based on time periods and not events, Athletics Integrity Unit (AIU) head Brett Clothier said. Last month, the International Olympic Committee and the Japanese government agreed to postpone the Tokyo Games, due to start in July, to 2021 because of the impact of the coronavirus pandemic that has killed over 150,000 people worldwide.
Russian long jumper Tatyana Kotova has been provisionally suspended after failing a drugs test at the Helsinki 2005 world championships, the Russian anti-doping agency (RUSADA) said on Friday.
Rediff.com brings you players who have tested positive for use of banned substances over the years.
Russian former world number one Maria Sharapova was suspended for two years by the International Tennis Federation on Wednesday following her positive test for banned drug meldonium at this year's Australian Open.
Sehwag and Lamba, who played 76 first-class matches for Delhi between 1967 and 1981, are in the six-member panel headed by retired judge R V Easwar.
Russian tennis player Maria Sharapova has been provisionally named in her country's squad for the forthcoming Rio Olympics.
If the United States Anti-Doping Agency is right, then Lance Armstrong cheated his way to the top of the cycling world through an elaborate doping scheme never seen before in the sport.
CAS said that the Olympic Athletes from Russia mixed doubles curling team, who won bronze at the Games, had been disqualified from the competition.
The 'B' sample of Mumbai FC midfielder Nishant Mehra has also returned positive for a prohibited substance, raising the possibility of an I-League player being banned for doping for the first time.
The Court of Arbitration for Sport (CAS) on Tuesday reduced by nine months former world number one tennis player Maria Sharapova's two-year doping ban.
Badminton World No 1 Lee Chong Wei has denied cheating or relying on banned substances despite failing a doping test that could lead to a two-year ban.
Rubbishing rumours that he had engineered the dope fiasco surrounding Olympic-bound Narsingh Yadav, a fuming Satpal Singh said it was wrong to point fingers at him and his protege without any proof. A fuming Satpal said the allegations against him were absolutely baseless and was ready to face any inquiry.
Independent investigators found that the World Anti-Doping Agency behaved in ways "completely inconsistent" with testing rules.