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BUFFALO, N.Y. -- The Buffalo Sabres have put their youth movement on hold a week after Pat LaFontaine took over. LaFontaine, the teams new president of hockey operations, announced a significant roster shuffle on Tuesday, when the Sabres demoted four rookies before their home game against St. Louis. Veteran defenceman Mike Weber also was activated from injured reserve after missing 10 games with a thumb injury and is expected to play against the Blues. Defenceman Nikita Zadorov was returned to his Canadian Junior team, the Ontario Hockey League London Knights. The move was made before Zadorov played his 10th NHL game, which is when his three-year contract would come into effect. Drafted 16th overall in June, Zadorov had a goal in seven games in Buffalo. Fellow 2013 first-round pick, defenceman Rasmus Ristolainen, and forward Johan Larsson were assigned to the Sabres AHL affiliate in Rochester, N.Y. Center Mikhail Grigorenko is also heading to Rochester but on a conditioning assignment. That move gives the Sabres two weeks to determine whether to recall Grigorenko or send him to his junior team in Quebec. Grigorenko has struggled finding a niche in Buffalo since being selected in the first round of the 2012 draft. After making the Sabres roster to start last season, Grigorenko was returned to Quebec in March. He made the Sabres once again this season, but has lacked playing time. Grigorenko has missed five of the past seven games and has two goals and an assist in 15 games this season. The demotions mark a significant shift in philosophy under LaFontaine and interim coach Ted Nolan. The two took over after general manager Darcy Regier and coach Ron Rolston were fired last week after the Sabres got off to a franchise-worst 4-15-1 start. Regier made it clear that he was intent on rebuilding the Sabres through younger players, no matter the teams record. On Tuesday, Nolan said the Sabres intend to fill the open roster spots later this week by recalling players from Rochester. One potential candidate is veteran forward Patrick Kaleta, who was assigned to Rochester after being waived by the Sabres two weeks ago. Custom Jerseys From China . -- Top-seed Shahar Peer and Canadian Eugenie Bouchard advanced to the second round of the inaugural WTA Citi Open. Fake Custom Jerseys . The Montreal Alouettes announced Tuesday that they have acquired the return specialist from Calgary, as well as the Stampeders fifth-round draft pick in the 2014 CFL Canadian Draft. http://www.jerseyscustom.us/. The Austrian ski federation said Morgenstern was "conscious and well responsive" and his condition would be monitored in the intensive care unit of a Salzburg hospital for the next 72 hours. The federation said it was "way too early" to judge Morgensterns chances of competing in Sochi, and that an update on his condition was not expected before Monday. Wholesale Custom Jerseys . Perhaps their first trip to the city of Winnipeg in 16 years can serve as the shakeup they need. Custom Dallas Cowboys Jerseys .C., won gold in the womens 200-metre backstroke, and Dominique Bouchard of North Bay, Ont.SOCHI, Russia (AP) -- IOC spokesman Mark Adams says organizers are "very pleased" with the quality of play in the womens hockey tournament so far in Sochi. Because of a format change that separated the top and bottom teams in the world, there have been fewer blowouts than in past Olympics. Then-IOC President Jacques Rogge had been quoted after the Vancouver games as saying, "We cannot continue without improvement.ddddddddddddquot; But Adams says the former president was supportive of womens hockey and was only thinking "way into the future." The United States and Canada are the sports two biggest powers, winning every gold medal at the Olympics and world championships. ' ' '