ARLINGTON, Va. (AP) -- The Washington Capitals have signed John Erskine to a two-year contract extension worth $3 million.

The Capitals announced the deal Friday for the 30-year-old defenseman, who has three goals, four assists and 43 penalty minutes in 31 games this season.

Erskine finished last season with a career-best plus-16 rating, his third straight season with a plus rating. He is plus-3 this season.

Erskine signed with the Capitals as a free agent in September 2006. He has appeared in 354 career NHL games with Dallas, the New York Islanders and Washington, recording 10 goals, 28 assists and 673 penalty minutes.

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