Center who was selected 6th overall by the Columbus Blue Jackets in the 2006 NHL Draft. He spent about five years with the Blue Jackets, then over three years with the New York Rangers before a 2016 trade sent him to the Ottawa Senators.
He played junior hockey for the Drummondville Voltigeurs of the Quebec Major Junior Hockey League.
He had his best offensive season with the Blue Jackets during the 2009-10 campaign, tallying 30 assists and 47 points.
Early in his career he was in a relationship with ice dancer Terra Findlay.
On April 3, 2013, he was part of a packaged trade that sent Marian Gaborik to Columbus.