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ASTANA, Kazakhstan -- Kazakhstan says three medalists are among six of its athletes disqualified from previous Olympics over doping.The countrys national Olympic committee said in a statement that weightlifters Irina Nekrasova and Maria Grabovetskaya, who won silver and bronze medals, respectively, and bronze-medal-winning wrestler Asset Mambetov were retroactively disqualified following retests of drug-test samples they gave at the 2008 Beijing Games.The Kazakhstan Olympic committee said it had received confirmation from the International Olympic Committee that traces of banned substances were found in the athletes samples.The International Weightlifting Federation has previously said the Grabovetskaya and Nekrasova cases concerned various anabolic steroids, with Grabovetskaya testing positive for three banned substances in a single sample. Wrestling authorities have not said what was found in Mambetovs sample.Grabovetskaya and Mambetov were quoted in Kazakh media as saying they will refuse to return their medals because they dont consider themselves guilty of doping.There are also retrospective disqualifications from the 2008 Games for weightlifters Vladimir Sedov and Maiya Maneza, while weightlifter Almas Uteshov has been scratched from the 2012 Olympics. Those rulings do not affect medals.Kazakhstan has one of the worst records of any country in the retests carried out this year by the IOC, having already been stripped of three gold medals last month in earlier doping cases.The retesting program has led to at least 98 positive tests from the 2008 and 2012 Olympics, many of them down to recent advances in techniques for detecting steroids.Darius Garland Cavaliers Jersey . The 20-year-old Pelicans big man glanced up and smiled widely at the well-wishers -- a fitting end to a day he wont soon forget. 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Jordan Lynch, the all-purpose Heisman Trophy finalist from Northern Illinois, failed to make it into that exclusive club.The NCAAs infractions committee announced violations in the?Ole Miss?womens basketball and track and field programs Friday; an?investigation into the schools football program remains ongoing.The infractions committee separated the Ole Miss football investigation from the overall probe to expedite rulings on violations in the other two sports.The committee found academic fraud violations involving a former Ole Miss assistant womens basketball coach, a former basketball director of operations and two former womens basketball players. A former Ole Miss track coach and assistant track coach were found to have provided false information during the NCAAs investigation into impermissible recruiting tryouts and contacts.The NCAA added three years probation and show-cause orders for several individuals to Ole Miss self-imposed penalties for both programs, which included recruiting restrictions for both and scholarship reductions and a postseason ban for womens basketball.The infractions committee decided earlier this year to separate the football investigation when new allegations surfaced at the NFL draft surrounding former Ole Miss offensive lineman Laremy Tunsil. The committee wont review any information related to the football program until the university and NCAA enforcement staff complete their investigation. Ole Miss football program faces allegations of 13 NCAA violations, including eight determined to be Level I, the most serious. Nine of the 13 alleged viollations occurred under current coach Hugh Freeze, including four Level I violations.ddddddddddddWhen both the university and enforcement staff informed the panel that they needed more time to further investigate the potential allegations in the football program after the enforcement staff delivered its notice of allegations, the panel separated this case to be fair to the university and the involved individuals in the womens basketball and track programs, said Xavier athletic director Greg Christopher, the chief hearing officer for the infractions committee.Ole Miss in May self-imposed the loss of 11 football scholarships during a four-year period from 2015 to 2018, including a reduction of three initial scholarships in each of its next three recruiting classes. The school previously self-imposed reductions in unofficial visits and off-campus evaluation days for its football coaches.We regret the violations of NCAA bylaws in both programs and have taken several steps to prevent future violations, Ole Miss president Jeffrey Vitter said in a statement. One of my first acts as chancellor was to seek a comprehensive external review of our athletics compliance function. The review was recently completed and has confirmed to me that our compliance systems are robust while offering recommendations for areas where we can and will improve. ' ' '