Kazakhstan says five of its athletes have failed retests from the 2008 and 2012 Olympic Games. The athletes were not named and it was not immediately clear in which events they competed.The Central Asian nation has faced repeated doping scandals in recent years, particularly in weightlifting and cycling.The IOC is retesting samples from the Beijing and London Olympics to catch cheats who might be competing this year in Rio de Janeiro. So far, 55 positives have been recorded - 32 from Beijing and 23 from London.Separately, the Russian Olympic Committee says two of its athletes B samples came back negative.They are race walker Denis Nizhegorodov and rower Alexander Kornilov. Athletes must provide 90ml of urine or a blood sample. If there are adverse analytical findings in the B sample as well as the A the athlete will be banned for violating anti-doping regulation.B samples are not more important than A samples, but they confirm findings in the first analysis. If the analysis of the B sample does not confirm the findings in the A sample, the athlete is cleared to compete.WADA Director General David Howman said: The B sample helps confirm that an anti-doping rule violation has occurred and protects the rights of the athletes.It should be stressed that anti-doping is one of the few types of controls in society in which a confirmation procedure is used in order to protect individuals, and the very rare cases in which the analysis of the B-sample did not match the results of the A-sample have shown the usefulness of such procedure. Also See: 23 fail London 2012 retests Coe: 2012 not dirtiest Games Eight Russians fail retests Russia seeks Rio compromise Paul George Shoes Free Shipping . Thousands of fans at Mosaic Stadium will be cozying up to each other in an effort to stay warm in chilly temperatures and block the Prairie wind that locals say can knock your socks off. Paul George Shoes Outlet . 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This isnt it.This is not the final answer, but Tuesday nights College Football Playoff rankings (7 ET, ESPN) will take us one step closer to the selection committees top four, which will be revealed on Dec. 4 (noon, ESPN). Heres a look at the biggest questions facing the committee heading into its fifth ranking of the season:1. Has Penn State closed the gap on Ohio State? Last week, selection committee chair Kirby Hocutt said the gap between No. 2 Ohio State and No. 7 Penn State was significant. I believe, to answer your question directly, he said, does the selection committee see a small margin of separation this week between No. 2 Ohio State and No. 7 Penn State? We do not. Did the Nittany Lions convincing win over Michigan State to clinch the Big Ten East Division help change that perception at all? Its important because if Penn State wins the Big Ten, the committee will consider putting in one or both. When teams are comparable, the committee will consider Penn States head-to-head win over the Buckeyes and its conference title -- two advantages that will make it hard to leave the two-loss Nittany Lions out if the committee is consistent in its application of the protocol.2. Is Michigan still a factor? Its unwise to write the Wolverines off entirely -- though they should drop out of the top four -- because Michigan beat the two teams playing for the Big Ten championship, Penn State and Wisconsin. What if theres chaos, and Clemson and Washington both lose? That would mean Michigan would also have a win over Pac-12 champ Colorado. How far the Wolverines drop Tuesday night could be a clue as to whether they have any shot at getting back into the conversation with a two-loss résumé and no league title.3. How does Washingtons Apple Cup win impact its chances? Last week, Hocutt said Washingtons strength of schedule made the committee hesitant to move the Huskies up. Their strength of schedule still gives the committee pause at this time from ranking them any higher, he said. Will a win over No. 23 Washington State change the committees mind and boost No. 5 Washington into the top four? Will the Cougars drop out of the Top 25? Washingtons wins against teams currently ranked by the committee include Stanford, Utah and Washhington State, but the latter two lost this past week.dddddddddddd Will that devalue Washingtons résumé in the eyes of the committee? A win against No. 9 Colorado in the Pac-12 title game would give the Huskies a much-needed boost.?4. Can the winner of Bedlam made a big move in the final rankings? Oklahoma and Oklahoma State were off last week, and seemed to completely fall off the radar, but unlike Ohio State and Michigan, they will be playing Saturday in a de facto conference championship game while the committee is watching. The Big 12 winner needs help, regardless of who it is, as both teams are still staring up at the Big Tens top two-loss teams and Washington. It would seem more than one of those teams need to stumble in order for the Big 12 champ to jump at least four spots. If Colorado wins, the committee would have to compare two-loss champions from the Big 12, Big Ten and Pac-12.5. Who is the next-highest-ranked SEC team? Assuming No. 1 Alabama remains in the top spot -- a safe assumption at this point -- the next-highest-ranked SEC team is heading to the Sugar Bowl against the Big 12 champion (assuming, of course, the Big 12 champ doesnt make the playoff). But theres no great team to choose from. Auburn now has four losses after losing the Iron Bowl, and Florida is a three-loss SEC East champ after losing to rival Florida State.6. Is undefeated Western Michigan a no-brainer choice from the Group of 5? No. 19 Boise State and No. 20 Houston both lost this week, leaving Western Michigan as the most obvious choice to represent the Group of 5 in a New Years Six bowl, but what about Navy? The Midshipmen have two losses, but as the American Athletic Conference West division champs, they still have a chance to win their conference title. Would the committee rank a two-loss Navy team ahead of the undefeated Broncos? Where they are both ranked tonight will help answer that. The committee will be together on Friday, though, to watch the MAC championship game between Western Michigan and Ohio, along with the Pac-12 title game, so the Broncos will have its undivided attention on Friday night. ' ' '