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Gary Wiepert, Associated Press
Buffalo Sabres' Brad Boyes (22) gets ready to score on a rebound past Ottawa Senators goaltender Craig Anderson (41) during the first period of an NHL hockey game in Buffalo, N.Y., Saturday, Dec. 31, 2011.

BUFFALO, N.Y. — Bobby Butler scored the decisive goal in the fifth round of the shootout to lift the Ottawa Senators to a 3-2 win over the slumping Buffalo Sabres on Saturday night.

Chris Neil and Matt Carkner scored and Erik Condra had two assists for the Senators, who improved to 5-1-1 in their past seven games. Craig Anderson stopped 26 shots.

Brad Boyes and Paul Gaustad scored and Jordan Leopold had two assists for the Sabres, who dropped to 1-5-1 in their past seven games. Jhonas Enroth was by far the busiest goalie in stopping 44 shots, including getting his shoulder up to get a piece of Jason Spezza's snap shot from in close with 12 seconds left in overtime.