Great Britains athletes are under instruction to show no mercy to the opposition when they take to the track at the World Indoor Championships in Portland on Friday. Cheap Nike Huarache Shoes . A new-look 23-strong squad will compete at the Oregon Convention Center in the last global event before the Rio Olympics in August.The British team are shorn of a host of star names, with the likes of Mo Farah, who will compete at the World Half Marathon Championships in Cardiff the following weekend, Jessica Ennis-Hill, who has an Achilles problem, and Greg Rutherford, a late withdrawal due to injury and illness, all absent. But medal hopes remain, even if replicating the six the squad won at the last World Indoors in Sopot two years ago looks a tall order.British Athletics performance director Neil Black said: Were in good shape and people are raring to go.Come the competition its like these guys almost turn into animals. Thats what we expect. Were here to kill and none of them will think differently. Tiffany Porter will be hoping to impress in the 60m hurdles Shara Proctor, the World Championship silver medallist outdoors in the long jump, James Dasaolu in the 60 metres and Tiffany Porter in the 60m hurdles will all have their sights set on podium places on Friday.No Russian athletes are competing in Portland, the first global championships since athletics world governing body the IAAF banned the country following a World Anti-Doping Agency investigation.The WADA report also said corruption was embedded at the IAAF under Lamine Diack, the disgraced predecessor of current president Lord Coe, who admitted his sport faced a long road to regain the trust of an understandably sceptical public.He said: Were not going to return to trust overnight, its not a straightforward equation. You dont stick 10 dollars in a slot machine and suddenly trust emerges in the tray. This will take a long time.In the arena, Renaud Lavillenie needed just two jumps to claim pole vault gold on the opening night of the Championships on Thursday. Renaud Lavillenie took gold on the opening night of the championships The Frenchman, the world record holder, cleared 5.75 metres and then 5.90m to beat American Sam Kendricks into silver, with Piotr Lisek of Poland taking bronze.Lavillenie went on to clear a championship record of 6.02m, but a world record attempt at 6.17m was a step too far.American Olympic champion Jenn Suhr took four jumps to win the womens competition, soaring over 4.90m, also a championship record. Also See: Results & Medal Table Photo Galleries Team GB Huarache Shoes For Women . But what about the officials? Every sport has officials and they also have stories about hard work and sacrifice but their accomplishments are seldom recognized by anyone outside their inner circle. Nike Huarache Shoes . The Americans, skipped by John Shuster, seized the advantage in the eighth end by scoring five points for a 7-3 lead. The Czechs pulled two back in the ninth, but Shusters team of third Jeff Isaacson, second Jared Zezel and lead John Landsteiner ended with another point to secure the last Olympic berth on offer. http://www.nikehuarachecheap.us.com/ . -- San Francisco 49ers linebacker Ahmad Brooks was fined $15,570 by the NFL on Wednesday for his hit on Saints quarterback Drew Brees last Sunday. The Nevada State Athletic Commission extended a temporary suspension for Jon Jones on Monday and revealed two banned substances the UFC star tested positive for.According to the NSACs complaint, an out-of-competition sample provided by Jones on June 16 tested positive for clomiphene, which is listed as an anti-estrogenic substance on the banned list, and traces of letrozole, an aromatase inhibitor, which works to prevent the synthesis of androgens such as testosterone into estrogen.In a Twitter exchange with fans, Jones acknowledged he was ignorant to the uses of substances found in his samples, but said he knows hes not a cheater.The Nevada district attorneys office informed the NSAC of a potential hearing date around September or October.Jones, who was pulled from a light heavyweight championship fight against Daniel Cormier three days before UFC 200 earlier this month, is not contesting the temporary suspension. He is facing a two-year suspension under the policies of UFCs drug program and the United States Anti-Doping Agency, which was responsible for the June 16 test, and is also subject to the NSACs jurisdiiction. Nike Huarache Ultra Breathe. ones, who will turn 29 on Tuesday, had never tested positive for a banned substance prior to this incident. Shortly after he was removed from UFC 200, Jones and his agent, Malki Kawa, requested the B-sample from June 16 to be analyzed. Results of the B-sample test confirmed the presence of the banned substances.During a news conference July 8 in Las Vegas, Jones (22-1), who trains out of Jackson-Wink MMA in Albuquerque, New Mexico, denied knowingly taking any banned substances. According to Kawa, the team plans to fight the potential suspension.They found something in one of my samples, Jones said on July 8. I dont even know how to pronounce it. Ive been taking the same supplements the majority of my career. 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