The Dallas Stars acquired defenseman Andrew Hutchinson from the Tampa Bay Lightning for right wing Lauri Tukonen.

The Washington Capitals signed defensemen Bryan Helmer.

The Nashville Predators acquired right wing Wade Belak from the Florida Panthers in exchange for center Nick Tarnasky.

The Ottawa Senators waived defenseman Luke Richardson.

The Tampa Bay Lightning traded C Wyatt Smith to Phoenix for future considerations.

The Toronto Maple Leafs acquired right wing Lee Stempniak from the St. Louis Blues for defenseman Carlo Colaiacovo and center Alexander Steen.

The Tampa Bay Lightning claimed left wing David Koci off waivers from the St. Louis Blues.

The St. Louis Blues claimed right wing B.J. Crombeen off waivers from the Dallas Stars.

The Dallas Stars acquired defenseman Darryl Sydor from the Pittsburgh Penguins for defenseman Philippe Boucher.

The Washington Capitals signed defenseman John Carlson to a three-year contract.

The New York Islanders claimed right wing Jesse Boulerice off waivers.

The Philadelphia Flyers acquired defenseman Matt Carle and a 2009 third-round pick from the Tampa Bay Lightning for defenseman Steve Eminger, right wing Steve Downie and a 2009 fourth-round pick.

The Montreal Canadiens signed center David Desharnais to a two-year contract.