The Capitals have agreed to terms on a one-year contract with free-agent center Mikhail Grabovski, a source confirmed for ESPN.com's Pierre LeBrun.

The deal is worth $3M, the source said.

Grabovski, 29, spent the last five seasons with the Maple Leafs. 

The Blackhawks agreed to a three-year deal with 2012 first-round draft pick Teuvo Teravainen on Thursday, according to an ESPN.com report.

The 18-year-old Teravainen, a forward from Finland, was the 18th overall pick. 

Blackhawks GM Stan Bowman has hyped Teravainen as an impact player whenever he gets to the NHL.

The Canadiens announced Thursday they’ve agreed to terms with Douglas Murray on a one-year deal, according to an NHL.com report. 

Murray, 33, had a goal and two assists in 14 games for the Penguins last season after being acquired from the Sharks (three assists in 29 games). 

The Avalanche announced today that the team has agreed to terms with captain Gabriel Landeskog on a seven-year contract extension through the 2020-21 season.

"Gabe is and will continue to be a large part of the foundation of this hockey team for many years to come," said Executive VP of Hockey Operations Joe Sakic.  “Signing our captain to a long-term extension demonstrates the commitment of Stan and Josh Kroenke to this franchise and to our fan base.  In just two seasons, Gabe has already proven to be a great asset to our organization both on and off the ice.  The fact that he has agreed to a long-term deal shows that he believes in this team, his teammates and the direction of this franchise moving forward."

"I would like to thank the Kroenke family and the entire Avalanche organization for their trust and belief in me,” Landeskog said.  “I love Colorado and I love being a part of this wonderful community.  There is no other place I’d rather be than in Denver wearing the Avalanche logo.  I am looking forward to training camp and the upcoming season.”   

The Blues have agreed on a two-year contract with forward Magnus Paajarvi, according to the team's website.

The St. Louis Post-Dispatch reports it is worth $2.4M.

"Magnus is a well-rounded player who has good size and great skating ability," Blues GM Doug Armstrong said after acquiring Paajarvi from the Oilers.

The Blues have agreed to a five-year contract extension with defenseman Jay Bouwmeester.

The extension is worth $27M, a source told ESPN.com's Pierre Lebrun.

Rangers President and GM Glen Sather announced today that the club has agreed to terms with undrafted free agent defenseman Troy Donnay.

Donnay, 19, skated in 68 games last season with the Erie Otters of the OHL, registering one goal and seven assists for eight points, along with 48 penalty minutes. 

In 2011-12, Donnay split the season between the London Knights and Erie, registering one goal and seven assists for eight points, along with 44 penalty minutes in 50 contests. 

Donnay has skated in 143 career OHL contests over three seasons with London and Erie, registering two goals and 15 assists for 17 points, along with 104 penalty minutes.