The Canadiens have locked up one of their core stars, signing winger Brendan Gallagher to a six-year contract extension, the club announced Saturday night.

The deal is worth an average of $3.75 million per season, a source told ESPN.com. 

Gallagher, 22, has five goals and 12 points in 24 games this season.

The Stars have signed center Jason Spezza to a four-year contract extension worth $30 million, the team announced Friday.

The deal also includes a no-trade clause, a source told ESPN.com on Friday.

The Kings have signed unrestricted free agent defenseman Jamie McBain to a one-year contract, Kings President/GM Dean Lombardi announced today.

The 26-year-old McBain is a native of Edina, Minnesota who has appeared in 275 career NHL regular season games with the Hurricanes and the Sabres over five seasons, totaling 92 points and 62 penalty minutes. McBain was originally selected by the Hurricanes in the second round (63rd overall) at the 2006 NHL Draft. 

In order to fit McBain on the active roster, Slava Voynov has been designated as a non-roster player for the Kings.

The Penguins have signed goaltender Marc-Andre Fleury to a four-year contract extension worth a total of $23 million.

The deal, which was announced Wednesday, includes a no-movement clause and a limited no-trade clause, a source told ESPN.