NHL commissioner Gary Bettman has once again maintained that there is not enough data yet to draw conclusions about the link between sports-related concussions and long-term brain degeneration.This came in a 24-page letter Bettman wrote to U.S. Senator Richard Blumenthal that was posted on The New York Times website Tuesday night, answering a series of questions put to him by the Connecticut Democrat on the NHLs stance on concussions and the brain disease chronic traumatic encephelopathy (CTE).[T]he science regarding CTE, including on the asserted link to concussions ... remains nascent, particularly with respect to what causes CTE and whether it can be diagnosed by specific clinical symptoms, Bettman wrote in the letter to Blumenthal.Bettman said the NHL and the players associations medical advisory consultants will continue to closely monitor the ongoing research into brain damage, but he emphatically argued that the research to this point has established no causal link between CTE and concussions in team sports generally, much less in NHL hockey.If that [medical] consensus changes, so, too, will my answers, he added.The NHL is currently facing a class-action lawsuit filed by 105 former NHL players who allege it had the resources to better prevent head trauma, failed to properly warn players of such risks and promoted violent play that led to their injuries.The plaintiffs primary request is medical monitoring for the roughly 4,800 living former players, plus additional unspecified relief. There is no dollar figure on the lawsuit, but the NFLs pending $1 billion concussion settlement with retired players could provide a benchmark.Bettman, who was deposed for testimony last year, has said the lawsuit is without merit. The leagues first attempt to dismiss the claims was denied last year by U.S. District Judge Susan Richard Nelson. There is another pending motion for dismissal, based on an argument that the issues should be addressed through collectively bargained arbitration instead of court.Bettman angered many former players last May with comments following the death of former NHL defenseman Steve Montador at age 35. Montador suffered from CTE. His family filed a lawsuit against the league that was recently consolidated with this case.From a medical and scientific standpoint, Bettman said then of the purported link between concussions and CTE, there is no evidence yet that one leads to the other. Adidas NMD XR1 For Sale . -- Bobby Ryan helped the U. 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The Court of Arbitration for Sport ruling "puts an end to my dreams of being a top player," the 27-year-old Troicki said in a statement. "I worked my entire life for it, and it has been taken away from me in one afternoon by a doctor I didnt know," said Troicki, whose ranking peaked at No.Sky Sports Football League expert Peter Beagrie believes Teddy Sheringham should have been given until the end of the season following his sacking from Stevenage. The 49-year-old former England striker was dismissed earlier this week with Stevenage 19th in League Two following a poor run of form that has seen the team pick up just three points from a possible 24.Beagrie, who was speaking to the FL72 podcast, wanted to see Sheringham given until the end of the season to try and turn Boros campaign around. FL72 Podcast Listen to the full podcast here! He said: I definitely would have done [given him more time]. Its interesting to see the amount of players theyve brought in during the transfer window in a division where it is difficult to wheel and deal.He would have had plenty of contacts no doubt and I would have liked to have seen him given at least until the end of the season and given the opportunity to really put his stamp on things.Stevenage Chairman Phil Wallace claimed that Sheringham had suffered the worst luck he had seen in 16 years during his short coaching stint with the club. I would have liked to have seen him given at least until the end of the season and given the opportunity to really put his stamp on things.dddddddddddd Peter Beagrie But Beagrie thinks the risk of dropping out of the Football League forced Stevenage in to making a change.He added: They gave him the opportunity and it hasnt worked out how they thought it would be so theyve taken up their right to employ someone else and not risk dropping out of the Football League.Ultimately, it hasnt turned out the way Sheringham would have wanted, but whos to say he wouldnt have turned it around and gone on a run?Caretaker boss Darren Sarll, who is in the frame for the permanent job, will take charge of his first game at home to fellow league strugglers Crawley on Saturday. FL72 Podcast - Smith, Snodgrass and Gray Also See: Stevenage video Stevenage fixtures Stevenage stats Bet £5 Get £20 Free ' ' '