The Canucks' Mike Duco fights with the Flames' Lance Bouma in Calgary, Alberta on Saturday.

Blackhawks center Andrew Shaw fights Coyotes center Kyle Chipchura on Saturday in Phoenix.

Blues right wing Ryan Reaves and Avalanche left wing Daniel Winnik collide Saturday in St. Louis.

Wild defenseman Mike Lundin attempts to keep the puck away from Blue Jackets right wing Derek Dorsett on Saturday.

Maple Leafs goaltender James Reimer makes a save as Canadiens center Tomas Plekanec closes in on Saturday.

Feb 11, 2012; Buffalo, NY, USA; Tampa Bay Lightning right wing Teddy Purcell (16) tries to control the puck as Buffalo Sabres defenseman Tyler Myers (57) defends during the first period at the the First Niagara Center.

The Bruins' Patrice Bergeron (right) celebrates his goal with teammates Brad Marchand (center) and Andrew Ference during the first period on Sunday against the Predators. The Bruins won 4-3 in a shootout.

Jets goalie Ondrej Pavelec keeps an eye on the puck in his pads as Penguins winger Chris Kunitz creates some traffic in front of the net.

The Oilers' Ales Hemsky is chased by the Senators' Jared Cowen during Sunday's game in Ottawa. Edmonton won 4-3 in overtime on a goal by Taylor Hall.

The Bruins' Patrice Bergeron (right) celebrates his goal with teammates Brad Marchand (center) and Andrew Ference during the first period on Sunday against the Predators. The Bruins won 4-3 in a shootout.

Philadelphia's Claude Giroux gets a shot over New York goalie Henrik Lundqvist in the second period of Sunday's game. Lundqvist would have the last laugh as his team won 5-2.

Ice shavings fly as the Bruins' Andrew Ference (left) touches an icing call while being checked by the  Predators' Jordin Tootoo during Sunday's game in Boston.

The Islanders' Frans Nielsen (bottom) is knocked to the ice by the Kings' Anze Kopitar. New York beat LA 2-1 in OT.

The Panthers' Tomas Kopecky (left) and the Devils' Steve Bernier weren't going to give up a single inch on this play.

Kings goalie Jonathan Quick keeps an eye on the puck as it bounces toward Islanders players John Tavares (left) and Nino Niederreiter.

Winnipeg Jets forward Bryan Little (18) scores on Toronto Maple Leafs goalie Jonas Gustavsson in the second period Tuesday at the MTS Centre.

Phoenix Coyotes center Kyle Chipchura trips Dallas Stars defenseman Alex Goligoski in  the third period Tuesday at the American Airlines Center. The Coyotes defeated the Stars 4-1.

Los Angeles Kings center Anze Kopitar battles against Tampa Bay Lightning defenseman Marc-Andre Bergeron in the third period of the Kings' 3-1 victory.

Chicago Blackhawks defenseman Duncan Keith slides on the ice in an attempt to block a shot by Colorado Avalanche left wing Daniel Winnik on Tuesday.

Vancouver Canucks defenseman Alexander Edler scores the game-winning goal past Nashville Predators goalie Pekka Rinne in a shootout Tuesday night in Nashville, Tenn.

Ottawa Senators players Zenon Konopka and Erik Condra react to a check by defenseman Matt Carkner (28) on St. Louis Blues left wing Vladimir Sobotka (17) in the third period at Scotiabank Place.

Montreal Canadiens defensemen P.K.Subban (76) and Josh Gorges (26) collide with and Pittsburgh Penguins defenseman Kris Letang during an overtime period at the Bell Center.

Pittsburgh Penguins left wing Chris Kunitz scores a goal against Montreal Canadiens goalie Carey Price during a shootout Tuesday at the Bell Center.

New York Islanders goalie Evgeni Nabokov goes down on the ice to block the shot of Philadelphia Flyers' Max Talbot, center, as the Islanders' John Tavares trails the play during the second period on Tuesday.

Columbus Blue Jackets tough guy Jared Boll checks the Minnesota Wild's Jared Spurgeon into the glass during the second period on Tuesday.

Washington Capitals left wing Alex Ovechkin celebrates after scoring a goal against the Florida Panthers in the second period at Verizon Center.

Devils left wing Eric Boulton delivers a shot right in the ear to Rangers right wing Brandon Prust during a first-period fight at Madison Square Garden.