BUFFALO, N.Y. (AP) The Buffalo Sabres have signed defenseman Casey Nelson to a two-year contract extension.

Nelson made his NHL debut in March last season after signing a one-year deal with Buffalo shortly after completing his college career at Minnesota State. He had four assists in seven games with the Sabres.

He will have an opportunity to compete for a spot on the Sabres roster this season.

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In college, the 6-foot-2, 183-pound Nelson was the WCHA's defensive player of the year last season. Overall, the Wisconsin native had 14 goals and 46 assists for 60 points in 99 career college games.