hlete Evi Sachenbacher-Stehle and Italian bobsledder William Frullani. All three drug-test failures are tied to stimulants. The IOC is conducting 2,453

CHICAGO -- The Pittsburgh Pirates say top pitching prospect Jameson Taillon has undergone Tommy John surgery on his right elbow. The procedure was performed Wednesday in New York by Dr. David Altchek. Taillon is expected to miss 12 to 18 months. Taillon began feeling pain in his elbow with two weeks remaining in spring training after being assigned by the Pirates to their minor league camp. Doctors prescribed two weeks of rest, but Taillon again felt pain when he tried to throw again. The Pirates also said right-handed reliever Vin Mazzaro accepted his outright assignment on Wednesday. He is expected to join Triple-A Indianapolis in the coming days. Authentic Jerseys Cheap . Last year, Matt Kuchar closed with a 4-under 68 to beat Kevin Chappell by two strokes for his second win of the 2013 season and sixth of his career. Cheap NFL Jerseys . It took five games, but the Celtics finally helped Stevens earn his first NBA victory. "Im going to celebrate for a whole 12 minutes, and then Im going to start watching Orlando and trying to figure them out," the first-year Celtics coach said after Boston beat the Utah Jazz, one of the leagues other winless teams, 97-87 on Wednesday night. http://www.cheapjerseybiz.us/.C. -- The Carolina Hurricanes used a strong third period to extend their winning streak to three games. Wholesale China Jerseys . A lovely summer day in England with abundant sunshine and minimal wind allowed him to attack Royal Liverpool. Cheap Jerseys Authentic .K. Subban and Matt Duchene will be the two skaters sitting out the teams opening game. SOCHI, Russia -- A Ukrainian cross-country skier has failed a doping test, her countrys Olympic committee said Saturday. 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 storess Olympic doping samples for 10 years to allow for retesting when new methods become available.dddddddddddd 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. ' ' '