SOCHI, Russia -- A Ukrainian cross-country skier has failed a doping test, her countrys Olympic committee said Saturday. Custom Jets Jerseys . It is the third positive result of the Sochi Games. Marina Lisogor tested positive for trimetazidine, which is classified as a "specified stimulant" on the World Anti-Doping Agencys prohibited list. Specified substances are considered more susceptible to inadvertent use and can carry reduced penalties. The 30-year-old Lisogor competed in two cross-country events in Sochi, finishing far out of the medals. According to the Ukrainian Olympic Committee, Lisogor said she did not knowingly take a banned substance. Lisogors failed drug test follows those of German biathlete Evi Sachenbacher-Stehle and Italian bobsledder William Frullani. All three drug-test failures are tied to stimulants. The IOC is conducting 2,453 drug tests in Sochi, a record for the Winter Games. The Olympic body also stores Olympic doping samples for 10 years to allow for retesting when new methods become available. Sachenbacher-Stehle, a former two-time Olympic gold medallist , tested positive for methylhexanamine in both samples. The German Olympic Committee said she was being sent home. She blamed a nutritional supplement and said she had never knowingly taken performance-enhancing drugs. "I am going through the worst nightmare that you can imagine because I am unable to explain at all how there could be a positive test," she said Friday. Frullani was ejected from the games after testing positive for dimetylpentylamine. Frullani, who had not competed yet, asked for a backup test that confirmed the result. The Italian Olympic Committee told The Associated Press it believed Frullani, a former decathlete, bought the stimulant on the Internet from the United States since it is not available in Italy. New York Jets Jerseys Outlet . -- The Denver Broncos locked up a shutdown cornerback, only his name wasnt Dominique Rodgers-Cromartie. Wholesale New York Jets Jerseys . -- So much for concern that running back Marshawn Lynch would be absent from the Seattle Seahawks minicamp. http://www.jetscheap.com/101b-cheap-quinnen-williams-jersey-jets.html . Henrik Samuelsson and Luke Bertolucci also scored for the Oil Kings, who are now 9-0 on home ice in the playoffs to cut Portlands series lead to 2-1. Chase De Leo and Mathew Dumba responded for the Winterhawks, who suffered just their fourth loss in their last 46 games, a string of success running all the way back to Jan. MADRID, Spain -- Atletico Madrid and Barcelona showed the battle for the title would be a long, drawn-out affair after the Spanish co-leaders drew 0-0 in their first league meeting of the season on Saturday. Both teams finished the first half of the season tied on 50 points after an exciting, back-and-forth showdown at Vicente Calderon Stadium yielded no winner. Barcelona was troubled by Atletico pair Diego Costa and Arda Turan throughout, while second-half substitute Lionel Messi enjoyed the visitors best chances as the Barcelona forward headed wide before forcing goalkeeper Thibaut Courtois into a clutch stop in the 81st. Neymar also came on in the second half for Barcelona but the Brazil striker made little impact as the teams played out their third straight draw following the summer Spanish Super Cup series. "It was like a game of chess," Atletico coach Diego Simeone said. "The game reflected where these two teams are in the standings." Atletico will remain encouraged about winning its first title since 1996 and dislodging the Barcelona-Real Madrid monopoly that has been broken only by Deportivo La Coruna and Valencia since. Real Madrid travels to Espanyol on Sunday knowing a victory will move it to within three points of the leaders. While Barcelona counted on its squad of regulars, Atleticos lineup was relatively unchanged down to Simeones all-black suit and jacket. The hosts started more brightly as Turans short cross along the goal-line was headed just over for the games opening chance four minutes in. The physical Diego Costa forced goalkeeper Victor Valdes into a save before awkward positioning kept him scoring from a headed-on corner in the 28th. Barcelona braved Atleticos early surge and its choking pressure up the field with its passing game, with Pedro Rodriguez heading over goal inn the 33rd before Courtois saved Gerard Piques long, low shot. Cheap New York Jets Gear. With Cesc Fabregas playing as a "false 9" Barcelona had trouble breaking through in attack. "We expected a very strong, disciplined, and unrelenting opponent. They dont leave any open space in their area and its very difficult to expose them," Barcelona midfielder Xavi Hernandez said. "We just couldnt create enough chances on goal. It was a very intense game." Tension was building as the action moved end-to-end in the hard-fought, energetic match with Simeone warned by the referee to cool down just before the break. Andres Iniesta hurt his left knee and gave way to Messi to start the second half but it was Diego Costa who continued to prowl Barcelonas goal only to shoot wide in the 59th. Messi perhaps showed some rust from a two-month injury layoff when he headed Jordi Albas cross wide from the penalty spot at the other end. Alba and Daniel Alves made little impact in attack as the Barcelona fullbacks were cut off by Atleticos strikers. Atletico looked set to break through in the 79th but Turan volleyed a looping ball straight at Valdes, moments before Courtois denied Messis hard-taken shot from the left. "I dont know what will happen between now and the last 19 rounds but I expect Atletico to stay in the fight," Barcelona coach Gerardo Martino said. Also, Athletic Bilbao maintained its grip on fourth by demolishing Almeria 6-1 while Valencias season-long slide continued with a 2-1 defeat at Celta Vigo. Athletic enjoys a four-point cushion in fourth at the halfway point of the season, while Almeria sits three points above the drop zone. Celta moved three points clear of the relegation zone with the victory. Daniel Carrico scored in the last minute as Sevilla rallied to draw 1-1 at Elche. 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