MINNEAPOLIS -- Police documents say the University of Minnesota wrestling coach refused to turn over the names of student-athletes allegedly involved in the sale and use of the anti-anxiety drug Xanax.According to a search warrant affidavit obtained Tuesday by the Minneapolis Star-Tribune, J Robinson told police in April that he had fully taken care of his teams drug problem.Campus police have been conducting a criminal investigation into a team members disputed allegation that Robinson attempted to cover up the widespread sale and use of Xanax by his wrestlers.Police met with Robinson, but he refused to provide names, documents or other information pertinent to the investigation, according to the affidavit. They later executed a search warrant directed at Robinson and the wrestlers allegedly involved with the drug ring. Investigators seized computers, a DVD drive, 15 storage drives and a phone from Robinsons office, according to the warrant.Robinson said that he would provide more detailed information beyond possession and use by his players if we could grant his players immunity, university investigator Aaron Churness wrote.Robinsons attorney, Ryan Kaess, said the coach was trying to help his athletes by denying police access. He also called the alleged Xanax sales ticky-tack violations.I dont believe these kids were drug dealers in the true sense of the word, Kaess said. They were passing them around at parties and sharing in the cost of the drugs.Robinson was placed on paid leave June 1. The university launched its own investigation last month.Attorneys for two wrestlers have asked the university to pause its investigation because of its potential to interfere with the criminal investigation, according to district court documents.Robinson has led the Gophers to three national championships in 30 years. Mousa Dembele Belgium Jersey . It just didnt show when he hit the ice. Berra made 42 saves and Kris Russell scored at 1:32 of overtime, lifting the Calgary Flames to a 3-2 victory over the Chicago Blackhawks on Sunday night. Dries Mertens Belgium Jersey . The International Olympic Committee released the official list of bid cities on Friday after the deadline for applications had passed. The candidates -- all previously announced in their own countries -- are: Almaty, Kazakhstan; Beijing; Krakow, Poland; Lviv, Ukraine; Oslo, Norway; and Stockholm. http://www.belgiumsoccerpro.com/Thibaut-Courtois-Belgium-Jersey/ .ca. 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After losing her opening round robin matches to Kerber and Keys, the Slovak needed a straight-sets win to have any chance of advancing and she managed to keep her side of the bargain in a display full of determination.Her victory ensured the unbeaten Kerber qualified for the semi-finals without hitting a ball and the top-ranked German returned the favour in the late match by beating Keys in straight sets to take Cibulkova through with her.Today I wasnt thinking about that I already was in the semis, Kerber said. It was important to go out to win the match and win all three matches.Now Im going to the semis with three really good matches which gives me a lot of confidence. Dominika Cibulkova beat Simona Halep to advance Halep had her left knee heavily strapped and was clearly in some discomfort but, knowing she needed a set to keep her hopes alive, she battled manfully to force a decider.However, it was seventh seed Cibulkova who won the second-set tie-break and the match.This win is really,, really big for me, said the 27-year-old.ddddddddddddI feel relieved. Im really, really happy about my win, about the way I played and the way I handled the situation and the pressure.It seems like Im playing my best tennis under the biggest pressure. To beat Simona in two sets - knowing that if I want to go further in the tournament, I have to beat her in two sets. That made me even stronger in the second set. Watch NOW TV Watch Sky Sports for just £6.99. No contract. Australian Open and US Open champion Kerber will be playing in the semi-finals of the season-ending tournament for the first time after failing to advance in three previous attempts.In the semi-finals, Cibulkova will face White Group winner Svetlana Kuznetsova while Kerber will take on the winner of Fridays clash between Agnieszka Radwanska and Karolina Pliskova with Garbine Muguruza already eliminated.Watch the Erste Bank Open live on Sky Sports on Friday from noon on Sky Sports 3 HD.You can watch Premier League and EFL Cup football, plus Englands tour of Bangladesh and the Mexican Grand Prix on Sky Sports. Upgrade now and enjoy six months at half price! Also See: WTA Schedule Radwanska bounces back at Finals Kuznetzova edges Pliskova Tennis on Sky ' ' '