SOCHI, Russia -- A top German biathlete and an Italian bobsledder were kicked out of the Sochi Olympics on Friday in the first doping cases of the Winter Games. Former two-time Olympic gold medallist Evi Sachenbacher-Stehle tested positive for the stimulant methylhexanamine in both her "A" and "B" samples, the German Olympic Committee said. The committee said she has been removed from the team and was being sent home. Sachenbacher-Stehle -- winner of two golds and three silvers in cross-country skiing at previous games -- blamed the positive test on 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 in a statement. The Italian Olympic Committee, meanwhile, announced that bobsledder William Frullani was ejected from the games after testing positive for the banned stimulant dimetylpentylamine in the athletes village on Tuesday. Frullani, who had not competed yet, asked for a backup test that "confirmed the positive result, resulting in his exclusion from the Italian delegation," CONI said. The IOC declined to comment, citing confidentiality of ongoing anti-doping procedures. Sachenbacher-Stehle, who switched from cross-country to biathlon two years ago, competed in five events in Sochi but did not win any medals. Her best results were two fourth-place finishes, in the 12.5K mass start and the mixed relay. The 33-year-old German was tested after Mondays mass start race. Her backup sample was tested on Friday and confirmed the original finding. Her expulsion from the games was announced after she appeared before an IOC disciplinary commission on Friday afternoon. Sachenbacher-Stehle had been left off Germanys top-ranked womens relay team before Friday nights 4x6-kilometre relay. The team finished 11th. Franziska Hildebrand, who skied the third leg for Germany, said the team was told about the doping case earlier in the day. "We are totally shocked," Hildebrand said. Methylhexanamine is classified on the World Anti-Agencys prohibited list as a "specified stimulant," a group of substances that are more susceptible to inadvertent use and can carry reduced penalties. Sachenbacher-Stehle said she had her nutritional supplements checked in a lab or cleared by the manufacturer before the games. "At the moment I can only assure all involved that I never knowingly took banned substances," she said. Any further sanctions outside of the Olympics are up to the International Biathlon Union. The German could face a ban from the sport for a year or more. Michael Vesper, chief of German Olympic body DOSB, said athletes have been repeatedly warned about supplements that contain methylhexanamine. "The DOSB strives for a doping-free sport and a zero tolerance policy," he said in a statement. "We strive only for cleanly achieved performances. Every doping case is first of all a big disappointment. But it is also proof that that control system works." Stefan Schwarzbach, spokesman for the German biathlon and cross-country teams, said a contaminated supplement is a possible explanation for Sachenbacher-Stehles positive test. "We are not sure if its really from an unproven, or dirty, supplement," he said. " We really dont know." "It really seems that it is a mistake," Schwarzbach added. "And she has to handle the consequences." As a cross-country skier, Sachenbacher-Stehle won gold medals in the team sprint at the 2010 Vancouver Olympics and 4x5K relay at the 2002 Salt Lake City Games. She won silver medals in Salt Lake, Vancouver and at the 2006 Turin Games. The only previous German athlete sanctioned for doping at a Winter Olympics was hockey player Alois Schloder, who was disqualified from the 1972 Sapporo Games after a positive test for ephedrine. German-born cross-country skier Johan Muehlegg was competing for Spain in 2002 when he was caught doping and stripped of one of his three gold medals at the Salt Lake City Olympics. In the Italian case, CONI told The Associated Press that it believed Frullani, a former decathlete, purchased the stimulant on the Internet from the United States, since it is not available in Italy. Dimethylamphetamine is also classified as a "specified stimulant" on the WADA list. Samuele Romanini will replace Frullani as the brakeman for the four-man bobsled race, which begins Saturday. The IOC is conducting 2,453 drug tests in Sochi, a record for the Winter Games. 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Air Jordan Outlet . 5 Trade Deadline is drawing closer and teams will be deciding on whether to buy or sell while figuring out which players can make the biggest difference and hold the greatest value.SAN FRANCISCO -- Fred Couples won the Champions Tours season-ending Charles Schwab Cup Championship on Sunday, and Kenny Perry topped the yearlong points race to earn a $1 million annuity. Couples ended a 16-event winless streak dating to the Senior British Open in July 2012, closing with a 2-under 69 for a six-stroke victory over Bernhard Langer, Peter Senior and Mark OMeara. The Hall of Famer has nine victories in four seasons on the 50-and-over tour after winning 15 times on the PGA Tour. "Its great to win. It seems like four years ago," Couples said. "Now I have 60 days to lose all my momentum." After playing 15 events on the Champions Tour this year and finishing third in the points race, Couples indicated he was going to play at least two or three more events next year and take a shot at winning the Charles Schwab Cup. His points finish earned him a bonus $300,000 annuity. "This tour, to win the Schwab Cup, Ill play a lot and I hope to play well," Couples said. Id like to have the kind of year Kenny had. The goal is to win the Cup. The goal is to play." Couples finished at 17-under 267 at TPC Harding Park. "This year, I wouldnt call it a waste, but it was a waste as far as not winning," he said. "This week was different. I did not miss many shots. I got the lead and I kept it. Im not a fierce competitor but I love the competition. Just winning, even if its a club championship, youre thrilled." Langer, second behind Perry in the Charles Schwab Cup standings, shot a 67. Senior had a 69, and OMeara closed with a double bogey for a 70. Perry had a 68 to tie for fifth at 10 under. He led the tour with three victories, taking the Senior Playyers Championship and U.ddddddddddddS. Senior Open in consecutive tour starts and winning the AT&T Championship last week in San Antonio. "Its been a magical season," said Perry, who was accompanied by his wife, three daughters, their husbands and a couple of grandchildren. "This is my highest accomplishment. Ive been close to winning a major on the PGA Tour and to finally win a few this year, its the things dreams are made of." Perry, who took over the points lead in July, joked all week about how he had a 29-1 chance of winning the points race. Langer needed to win the tournament and have Perry finish outside the top five to win. "Im thinking Ive got to play," Perry said. "All year my head was everywhere and I was trying to focus. But the dream came true. I was, probably, playing the best golf Ive ever played. I cant wait to go out and celebrate with my family." Couples earned $440,000 and finished fourth on the Champions Tour money list with $1,706,812. Langer topped the money list with $2,448,428, and Perry was second at $2,241,188. "Fred played very well," OMeara said. "He did what he had to do. Its not easy with the lead. He drove the ball pretty darn good and he putted pretty well and thats what it takes." Cutting his teeth on a public course in Seattle, Couples said TPC Harding Park, which will undergo an extensive renovation on the greens, always was a special place for him. "Ive said it all week. Its Harding Park. This is a tremendous golf course," he said. "It doesnt seem really hard but if you miss the ball in the wrong spot, or miss the green, it can play really hard. Its one of my all-time favourites." ' ' '