The New Jersey Devils signed center Michael Ryan to a one-year contract.

The Nashville Predators acquired right wing Hugh Jessiman from the New York Rangers for future considerations; acquired defenseman Tim Ramholt from the Philadelphia Flyers for left wing Josh Gratton.

The Ottawa Senators signed right wing Daniel Alfredsson to a four-year contract.

The St. Louis Blues signed goaltender Chris Holt.

The New Jersey Devils signed left wing Alexander Vasyunov.

The Phoenix Coyotes claimed defenseman Ken Klee off waivers from the Anaheim Ducks.

The Phoenix Coyotes claimed defenseman Ken Klee off waivers from the Anaheim Ducks.

The Pittsburgh Penguins signed defenseman Alex Grant to a three-year contract.

The Anaheim Duck signed defenseman Bret Hedican to a one-year contract.

The Tampa Bay Lightning signed defenseman Marek Malik to a one-year contract.

The Washington Capitals signed defenseman John Erskine to a two-year contract extension.

The St. Louis Blues signed goaltender Jake Allen.

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

The Tampa Bay Lightning claimed left wing Matt Pettinger off waivers from the Vancouver Canucks.

The New York Rangers agreed to terms with left wing Devin DiDiomete.

The Boston Bruins signed right wing Jordan Knackstedt.

The Los Angeles Kings signed defenseman Andrew Campbell to a three-year contract; signed defenseman Matt Greene to a five-year contract extension.

The New York Rangers agreed to terms with defenseman Tysen Dowzak.

The Philadelphia Flyers acquired defenseman Andrew Alberts from the Boston Bruins for left wing Ned Lukacevic and a 2009 conditional pick.

The Los Angeles Kings signed center Anze Kopitar to a seven-year contact extension.

The Pittsburgh Penguins signed left wing Joey Haddad to a three-year contract and assigned him to his junior team.

The Vancouver Canucks signed defenseman Alex Edler to a four-year contract extension.

The Phoenix Coyotes traded center Mike Zigomanis to the Pittsburgh Penguins for future considerations.

The San Jose Sharks released left wing Jeff Friesen.

The St. Louis Blues signed defenseman Tyson Strachan.

The Chicago Blackhawks claimed defenseman Doug Janik off waivers from the Dallas Stars and traded him to Dallas for a conditional draft pick.

The New York Islanders claimed center Nate Thompson off waivers from the Boston Bruins.

The San Jose Sharks re-signed defenseman Alexei Semenov and left wing Tomas Plihal to one-year contracts.

The Anaheim Ducks claimed left wing Joakim Lindstrom off waivers from the Chicago Blackhawks and assigned him to Iowa of the American Hockey League.

The Boston Bruins waived left wing Peter Schaefer and centers Nate Thompson and Jeremy Reich.

The Dallas Stars released right wing Konstantin Pushkarev.

The Los Angeles Kings re-signed center Patrick O'Sullivan to a three-year contract.

The Toronto Maple Leafs signed defenseman Luke Schenn to a three-year contract.

The Carolina Hurricanes signed left wing Dan LaCouture to a one-year contract.

The Montreal Canadiens placed goaltender Marc Denis and defenseman Alex Henry on waivers.

The Montreal Canadiens waived defenseman Alex Henry.

The Vancouver Canucks signed center Cody Hodgson.

The Anaheim Ducks claimed defenseman Nathan McIver off waivers from the Vancouvers Canucks.

The Atlanta Thrashers released defenseman Jamie Rivers.

The Carolina Hurricanes signed center Zach Boychuk to a three-year contract.

The Chicago Blackhawks released right wing Jesse Boulerice.

The Nashville Predators placed forward Triston Grant on waivers.

The Chicago Blackhawks claimed left wing Joakim Lindstrom off waivers from the Anaheim Ducks.

The Detroit Red Wings agreed to terms with goaltender Thomas McCollum on a three-year contract; released goaltender Larry Sterling, defensemen Jason Jozsa, Tom Galvin and P.J. Atherton and centers Francis Lemieux and Francis Pare.

The Minnesota Wild signed defenseman Justin Falk.

The Dallas Stars claimed defenseman Doug Janik off waivers from the Chicago Blackhawks.

The Los Angeles Kings signed goaltender Martin Jones to a three-year contract.

The New York Islanders signed center Josh Bailey to a three-year contract.

The Buffalo Sabres claimed left wing Matt Ellis off waivers from the Los Angeles Kings.

The Edmonton Oilers waived center Ryan Potulny and right wing Carl Corazzini; released right wing Guillaume Lefebvre.

The Philadelphia Flyers signed defenseman Luca Sbisa.

The Phoenix Coyotes waived defenseman Ryan Lannon and center Mike Zigomanis.

The Pittsburgh Penguins traded defenseman Michal Sersen to the Tampa Bay Lightning for a fifth-round draft pick in 2009.

The Vancouver Canucks signed right wing Dan Gendur.