His message contained some defiance: he vowed to fight the ban, insisted he had done no wrong and hit out at those who had questioned his integrity and honesty.
Russian anti-doping officials have for the first time acknowledged a massive doping conspiracy in their country that has rocked world sport, the New York Times reported on Tuesday.
The rules mean Caster Semenya and other athletes with DSD hoping to compete at the World Championships in Doha in September would have to start taking medication to lower their testosterone levels within one week.
Former Pakistan cricketers Salman Butt and Mohammad Asif lost their appeals against bans for spot-fixing in the Lord's Test against England in 2010.
Five-times grand slam champion Maria Sharapova is seeking to have her two-year doping ban wiped out or reduced as she lodged an appeal with the Court of Arbitration for Sport (CAS) on Tuesday.
Barcelona will appeal to the Court of Arbitration for Sport (CAS) if FIFA tell them to release Argentine forward Lionel Messi for the Olympic Games, club president Joan Laporta said on Monday. Laporta added that the club wants to "find a consensus solution that will suit both Barcelona and the AFA (Argentine Football Association)."
'I've just done everything I wanted to do in the sport'
Russian Olympic medallist Alexander Krushelnitsky has denied taking a banned substance in a suspected doping case that has rocked the Pyeongchang Winter Games and could imperil Russia's efforts to regain its full Olympic status.
Russian long jumper Darya Klishina will compete at the Rio Olympics after her ban from the Games was struck down by sport's highest court on the eve of her event.
Barcelona have vowed to use all legal means to fight a second fine imposed by UEFA after fans displayed pro-Catalan independence flags during September's Champions League Group E match at home to Bayer Leverkusen.
The former world 100 metres record holder was banned for doping offences related to the BALCO laboratory in California.
Usain Bolt and his Jamaican team mates who won the 4 x 100m relay at the 2008 Beijing Games have been told by the country's Olympic Association to return their gold medals following Nesta Carter's failed drug test.
Star Indian sprinter Dutee Chand clinched a silver in women's 100m dash in the 18th Asian Games to win the country's first medal in 20 years in this event.
Maria Sharapova's lawyer blasted WADA chief Craig Reedie for making remarks about the five-times grand slam champion at a conference in London on Monday and said the Russian tennis player was owed an apology.
FIFA has urged the agitating I-League clubs to work closely with the national federation
Former Pakistan captain Salman Butt appeared upbeat as he arrived at a Swiss court today in a bid to overturn a ban imposed for spot-fixing and revive his cricket career.
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 ban on Russia's track and field athletes from the Rio Games will scare drug cheats and help cleaning up the sport, Jamaica's six-time Olympic gold medallist Usain Bolt said.
FIFA presidential candidate Prince Ali Bin Al Hussein of Jordan's request for Friday's election to be postponed because of an issue with the voting booths has been rejected by sport's highest tribunal.
The International Association of Athletics Federations (IAAF) will not soften its stance on new regulations for female classification and is ready to defend it in the Court of Arbitration for Sport(CAS), president Sebastian Coe has said.
The double Olympic champion won her race in five minutes 38.19 in front of 1,650 spectators on the outskirts of Paris.
Premier League leaders Chelsea have responded to what they describe as an "unprecedented attack" by Europe's governing body UEFA.
American sprinter Sha'Carri Richardson, expected to be one of the biggest draws at the Tokyo Olympics, will miss the 100 metres at the Games after accepting a one-month ban for testing positive for cannabis during her US trials victory in June.
If there is one thing that still riles Manchester City manager Pep Guardiola, it is the suggestion that his English Premier League success is down to money. After City were cleared of breaking UEFA's Financial Fair Play rules by the Court of Arbitration for Sport, which overturned the club's two-year European ban, the Spaniard was in a fiery mood as he railed against the idea that cash was behind the club's two Premier League titles.
The US Anti-Doping Agency has accused him of serious doping violations after a federal investigation into the BALCO laboratory in California.
Pakistan's banned pace bowler Mohammad Asif has criticised the International Cricket Council (ICC) over his spot-fix suspension and has pleaded his innocence ahead of an appeal to the Court of Arbitration for Sport (CAS).
Double Olympic champion Caster Semenya's future was in doubt on Friday after she said she would not take medication to lower her testosterone levels to comply with new rules for the 800 metres.
Argentine Mariano Puerta's record eight-year ban following a positive dope test has been reduced to two years
Speed skating - Swings wins mass start, brings first Belgian Winter gold in 74 years.
The double Olympic 800m champion is challenging the sport's governing body, International Association of Athletics Federations (IAAF), over its decision to restrict testosterone levels in female runners.
Disgraced Pakistani fast bowler Mohammad Asif has expressed hope the Court of Arbitration for Sport (CAS) will turn over the ban he received following his involvement in the spot fixing scandal that shook the world of cricket.
World 100 metres champion Christian Coleman will miss next year's Tokyo Olympics after being banned for two years for breaching whereabouts rules, the Athletics Integrity Unit (AIU) said on Tuesday.
The European football federation (UEFA) said it was "disappointed" in FIFA's decision today to ban Michel Platini for eight years over an ethics violation, expressing support for the Frenchman's right to an appeal, according to AFP.
'I don't think anyone at FINA is going to stand up for the athletes so the athletes have to stand up for themselves'
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.
The world 100 metres record holder has appealed to the Court of Arbitration for Sport against a possible life ban for doping.
The U.S. Olympic Committee appealed to the Court of Arbitration for Sport against a recommendation to remove all the gold medals from the 2000 Sydney Olympics 4x400 metres squad.
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