The Canadian trainer for Asafa Powell and Sherone Simpson insists he didnt give the sprinters performance-enhancing drugs and says its time for them to take "responsibility for their doping instead of looking around for a scapegoat." In a statement Tuesday, Torontos Chris Xuereb is quoted as saying he has done nothing wrong since the Jamaicans hired him in May to provide massage therapy and nutritional help. Powell, the former 100-metre record holder, and Simpson, a three-time Olympic medallist , tested positive for the stimulant oxilofrine at the Jamaican championships last month. Their agent, Paul Doyle, contends something in the new supplements the sprinters were taking caused it and "Chris is the one that provided those." The email quotes Xuereb as saying he was disappointed the athletes are blaming him for their violations. "It is time the athletes took responsibility for their doping instead of looking around for a scapegoat, whether that person is their therapist, bartender or anyone else," says the email, which details Xuerebs relationship with the sprinters. "Athletes keep using the same story, which is to blame the scapegoat for their own wrongdoing." Earlier Tuesday, Italian police formally placed Powell, Simpson and Xuereb under criminal investigation for violating the countrys doping laws. The move came a day after Italian police confiscated unidentified substances in a raid on the hotel where the three were staying in the northeastern town of Lignano Sabbiadoro, following the athletes positive tests. Police told the AP the raids were executed after a tip from the World Anti-Doping Agency. Doyle said he and the sprinters worked in conjunction with WADA on the raid after becoming suspicious that Xuereb might have given them supplements laced with a banned substance. Doyle also said Powell and Simpson were aware of the impending raid, but Xuereb was kept out of the loop. "Asafa and Sherone have been tested more than 100 times each through their career ... and never turned in a positive test," Doyle told the AP in a phone interview. "Now they change their supplements and the first time they get tested, they have a positive test? It has to be something in those new supplements that has caused it. Chris is the one that provided those. "Were not saying he did anything deliberate, but its in those supplements." In the email statement from Xuerebs account, he is quoted as saying he "did not provide any banned or illegal substances to Asafa Powell or Sherone Simpson." The statement says all the vitamins Xuereb provided to the sprinters were found to be legal by Italian police. "I do not know what these athletes were taking in addition to what I suggested to them," the statement said. "Although I suggested certain vitamins to these athletes, it is ultimately the athletes responsibility to accept or reject my suggestion. "Unfortunately, it appears that these athletes were not solely following my suggestions or WADAs guidelines. These guidelines are in place so all athletes can have a clean sport. Both athletes are clearly looking for a scapegoat. I am confident, and I have also spoken to researchers and the police, that I have done nothing wrong." Doyle said that while the sprinters had been led to believe everything they were taking was untainted, he and the athletes should have been more responsible about which supplements they used. "In hindsight, we shouldve been given a list, made sure we got a list," Doyle said. "The extent of what I did, I said to (Xuereb) in a text message, that all supplements have to be cleared by me first. He never cleared them with me. He did send them in an invoice that had the names of supplements in there that he had purchased. 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SPIELBERG, Austria -- In an attempt to ensure teams do not run tyre pressures lower than Pirellis recommendations, the FIA has changed its procedure for checking pressures ahead of track sessions.This year Pirelli has been setting increasingly higher minimum pressures to ensure the tyres remain at safe pressures while on track. There is a suspicion that some teams have found ways of lowering the pressure once the car is on track, offering a competitive advantage but potentially putting the tyres under undue strain.The FIA previously checked the pressures when the tyres were fitted to the car, but from the Austrian Grand Prix onwards it will check them before they are fitted. It is believed the new procedure will eliminate any tricks the teams have found to heat up the tyres while they are checked on the car before cooling them on track to reduce the pressures.FIA informs that with immediate effect during practice sessions, qualifying and the race the minimum starting tyre pressures, as set out in the Pirelli Preview for each event, will always be checked before the wheels are fitted to the car, an FIA statement said. These checks will only be carried out on new tyres or used tyres from a previous session, they must be done in the presence of, and be verified by, your designated Pirellli engineer.ddddddddddddOnce set, no air may be released from the tyres but air may be added. In addition, if a set of tyres is used more than once in any session there will be no requirement to reset the pressures to the minimum starting pressure.On the grid the starting pressures will be checked before the wheels are fitted to the car. These checks must be carried out in the presence of, and be verified by, a scrutineer, an FIA delegate or your designated Pirelli engineer. Once set no air may be released from the tyres but air may be added.If the new procedure is successful, Pirelli may be able to lower its mandatory pressures, which have come under fire from drivers this year for being too high.Ahead of this weekends race, Jenson Button said the pressure being imposed by Pirelli was unbelievably high, adding: Its very high so front graining is going to be a massive issue. So thats tough considering weve got the soft, super-soft and ultra-soft here. Its going to make the weekend reasonably tough for everyone. So its about cooling as much as you can and driving in a certain way and having to run loads of engine braking and stuff like that, so its a shame. Wholesale Jerseys 2020 Cheap NFL Jerseys Throwback Wholesale Jerseys Wholesale Jerseys China Cheap NFL Hoodies Wholesale Black NFL Jerseys Discount Jerseys ' ' '