According to reports, Erik Christensen has been traded along with a 7th round pick to the Minnesota Wild for Casey Wellman

Wellman's NHL page.

Here's a story Hockey Wilderness did on Wellman in December.

More later, just wanted to get the news up for you.

[Update]

The New York Rangers have dealt Erik Christensen to the Minnesota Wild for Casey Wellman, a seventh round pick also went to the Minnesota Wild. Erik Christensen has been out of the lineup for the Rangers since December 17th, 2011 when he was a -1 in 6:42 of ice time against the Phoenix Coyotes.

@thenyrangers New York Rangers

the #NYR have traded Erik Christensen and a 7th round pick to the Minnesota Wild for forward Casey Wellman who is being assigned to @CTWhale

Casey Wellman is immediately being sent down to the Connecticut Whale. Wellman is an American-born, 6'0" and 173 lbs according to his NHL.com page. He is 24 years old and has 7 points in 14 games this year for the Minnesota Wild.