Buffalo Sabres center Ryan O'Reilly will be out for at least two weeks after having an appendectomy during the three-day Christmas break.
O'Reilly, 25, has 18 points (seven goals, 11 assists) in 27 games this season. He missed six games in November with an oblique injury.
Ryan O'Reilly of Sabres out at least two weeks
Buffalo center sidelined after having appendectomy
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