Thirty one athletes from six sports could be banned from competing at this years Olympic Games in Rio de Janeiro after 454 doping samples from the 2008 Beijing Olympics were re-tested.A statement from the International Olympic Committee (IOC) said its executive board had stepped up the fight against drugs cheats and the re-tests had been carried out in conjunction with the World Anti-Doping Agency (WADA) and international federations.It said the re-tests were focused on athletes who could potentially take part in this summers Rio Games. Twelve national Olympic associations will be informed of the results in the coming days, the IOC confirmed.Some 250 samples from the London 2012 Olympics will also be re-tested. IAAF president Lord Coe has underlined the importance of regaining the trust of clean athletes All these measures are a powerful strike against the cheats we do not allow to win, IOC president Thomas Bach said in a statement.They show once again that dopers have no place to hide.The re-tests from Beijing and London and the measures we are taking following the worrying allegations against the Laboratory in Sochi are another major step to protect the clean athletes irrespective of any sport or any nation. IOC President Thomas Bach has said these measures are a powerful strike against cheats We keep samples for 10 years so that the cheats know that they can never rest.By stopping so many doped athletes from participating in Rio, we are showing once more our determination to protect the integrity of the Olympic competitions, including the Rio anti-doping laboratory, so that the Olympic magic can unfold in Rio de Janeiro.Bachs reference to the Sochi laboratory follows allegations of systematic cheating by Russia during the 2014 Winter Olympics.Russia was suspended by the IAAF, athletics world governing body, in November after being accused of state sponsored doping in a report commissioned by WADA.Russias sports minister Vitaly Mutko apologised last week for the doping scandal.A decision on whether they will be reinstated for the Rio Olympics will be announced on 17 June.Also See:Russia official says sorryIOC calls for investigationRussians frustrate UKADPressure mounting on CoeCheap Roger Clemens Jersey . 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According the Toronto Star, a knee injury will keep Sundin out of the lineup, which includes former teammates Gary Roberts, Darcy Tucker, Tie Domi and Curtis Joseph.ENGLEWOOD, Colo. -- Denver Broncos wide receiver Bennie Fowler, who has practiced as the teams No. 3 receiver since training camp opened, will miss a few weeks with a fracture in his right elbow.Fowler, who had three receptions and blocked a punt in the Broncos 22-0 victory over the Chicago Bears on Thursday night, suffered the injury in punt coverage.Broncos coach Gary Kubiak on Saturday called it a small fracture and said Fowler would miss a few weeks.We have to stabilize it here for a few days and should be able to get into running and conditioning, Kubiak said. But hes going to miss a little time.Fowler believes hell be ready for the Broncos final preseason game -- Sept. 1 against the Arizona Cardinals -- but few players who are regular contributors on offense or defense appear in that game. The Broncos are optimistic Fowler could be ready for the Sept. 8 regular-season opener against the Carolina Panthers.I can still condition, Fowler said. Thats the good thing. I can still run and do things like that.Fowler addded the fracture was right outside the elbow and called it not that big of a deal.ddddddddddddFowler said he noticed something didnt seem right in the elbow Friday morning, shortly after the Broncos had returned from Chicago. Fowler has gone from the Broncos practice squad in 2014 to spot duty in 2015 to being on track to be the Broncos No. 3 receiver this season.He had 16 receptions last season and played in all 16 games, and he caught?Peyton Mannings last career pass for a 2-point conversion in the Broncos 24-10 win in Super Bowl 50.Fowler also is a key special teams performer. Following Saturdays practice, Kubiak said he expected Fowler would be limited in activity for two days and then begin conditioning workouts so he could return to the field more quickly once the elbow heals.Disappointing, Kubiak said. Hes really playing well, but well get him back. Hes going to miss a little time. ' ' '