A ban imposed on Russia's Paralympic team to compete in Rio is cynical and immoral, President Vladimir Putin said on Thursday, while saying that Moscow acknowledged its mistakes and would improve the national anti-doping system.
Sharapova, 29, had called the ITF's original ruling "unfairly harsh" because she had not intentionally violated anti-doping rules.
The World Anti-Doping Agency WADA has issued a revised draft code inserting a proposed Olympic ban for serious doping offenders from January 2015.
Pakistan pacer Shoaib Akhtar has lot of reasons to look forward to the upcoming World Cup, having missed the previous edition due to a doping ban, and one of them is the possibility of a duel with Indian batting icon Sachin Tendulkar.
Dwain Chambers achieved the first stage in his bid to run at the Beijing Olympics when he won the 100 metres final at the British trials on Saturday and must now await a legal ruling on his eligibility.
India's six top women athletes, including Asian Games double gold-medallist Ashwini Akkunji, were, on Friday, handed one-year bans for flunking dope tests earlier this year, virtually ending their chances of participating in the London Olympics next year.
The provisional suspension on the 11 dope tainted athletes, including one in the Commonwealth Games squad, was lifted by the NADA disciplinary committee following WADA's decision to shift the banned stimulant from 'non-specified' to 'specified' substance category.
WADA identified Doctor Sergei Portugalov, former deputy director of the Russian Federal Research Centre of Physical Culture and Sports (VNIIFK), as the mastermind of the scheme, advising athletes on doping, administering injections and helping cover up positive drugs tests.
Claiming to have accessed WADA's database, Fancy Bears' hack team claimed to have leaked dozens of files allegedly relating to United States athletes on the internet.
Brazil midfielder Fred, no relation to the veteran striker of the same name who used to play for the same country, has been suspended from South American football for a year for failing a drugs test.
Trinidad and Tobago athletics officials confirmed on Monday that Kelly-Ann Baptiste, who won a world 100 metres bronze medal in 2011, and fellow sprinter Semoy Hackett missed the Moscow world championships because of doping violations.
The International Olympic Committee (IOC) will not impose a blanket ban on Russia for next month's Rio Olympics over the nation's doping record but will leave decisions on individual athletes' participation with their sports federations, it said on Sunday.
Russians, Belarusians to participate at Paris Olympics as neutrals
Australian Sports Anti-Doping Authority (ASADA) chief David Sharpe said a preventative task force funded to the tune of millions of dollars by the Australian government had conducted tests on 2,600 local athletes and 500 from overseas.
Azeri weightlifter Valentin Hristov was stripped of his 2012 Olympics 56-kg bronze medal on Friday after he was one of three athletes to test positive for banned substances in re-tests conducted by the International Olympic Committee.
The National Anti-Doping Agency (NADA) Director General Navin Agarwal confirmed that they found two samples taken fromNarsingh Yadav positive for dope.
A summary of sports events and persons who made news on Thursday
Unheralded Atish Todkar caused a huge upset by knocking out Olympic silver medallist Ravi Dahiya with a sensational 'pin'.
The Jamaica Anti-Doping Commission (JADCO) has hit back at allegations of poor administration and a lack of controls by a former official, insisting the authority's practices meet global standards.
Nigerian Osayemi Oludamola was stripped of the women's 100 metres Commonwealth Games gold medal on Tuesday after her B sample confirmed a positive test for a banned stimulant, the Games Federation said.
A low-down on the eight runners -- four men and four women -- who finished second in their qualifying heats to make the Olympic cut.
The world No. 1 said the players he plays with are clean.
India sprinter Dutee Chand has tested positive for prohibited anabolic steroids during an out-of-competition testing and has been provisionally suspended.
Asian champion shot-putter Manpreet Kaur has been caught in the dope net after testing positive for a banned stimulant, a massive embarrassment for the country which might lose the gold meda clinched by her earlier this month.
The International Olympic Committee has formally excluded Albanian weightlifter Hysen Pulaku from the London Olympics after he failed a doping test.
Inzamam said it would put tremendous pressure on the remaining players who would have to make extra efforts.
Sprinter Dwain Chambers won a silver medal in the world indoor championships on Friday, finishing second behind Nigeria's Olusoji Fasuba and level with Kim Collins of St Kitts. The 29-year-old, who is trying to resurrect his athletics career following a two-year doping ban imposed in 2003, clocked a personal best time of 6.54 seconds, the same as Collins who was also awarded silver and three hundredths behind Fasuba.
Russia was banned from taking part in or hosting world championships, including the World Cup as part of doping sanctions imposed by WADA.
Sprinter Dwain Chambers and cyclist David Millar were cleared to compete in this year's London Olympics after the British Olympic Association's (BOA) lifetime Games ban on drug offenders was overturned by the Court of Arbitration for Sport on Monday.
Australia's 2011 Tour De France winner Cadel Evans has admitted meeting the Italian doctor at the heart of the Lance Armstrong scandal more than a decade ago but said they never discussed doping.
Beijing Olympics 100 metres hurdles champion Dawn Harper-Nelson has been banned for three months after she tested positive for the banned diuretic hydrochlorothiazide, the United States Anti-Doping Agency (USADA) said on Tuesday.
Rafael Nadal is convinced that none of his rivals are taking performance-enhancing drugs and believes that people who have accused him of doping have 'personal problems'.
Talented Indian opener Prithvi Shaw, who slammed a double hundred on his return to competitive cricket, said he was keen to get back to form quickly after spending eight months in the wilderness due to a doping offence. Shaw was handed a back-dated eight-month suspension in July for a doping violation after ingesting a prohibited substance Terbutaline.
The Canadian set the tournament alight with a scintillating, three-set win over Maria Sharapova on Tuesday after her outspoken comments about the Russian returning from her 15-month doping ban, including calling her a cheater.
Russia said on Friday it is ready to do everything from a legal point of view to defend Russian athletes if they are banned from taking part in the Rio Olympics over doping allegations.