Tomas Plekanec (L) of the Czech Republic trips up Henrik Zetterberg of Sweden during the second period of their men's preliminary round hockey game at the 2014 Sochi Winter Olympic Games, February 12, 2014. REUTERS/Grigory Dukor (RUSSIA - Tags: OLYMPICS SPORT ICE HOCKEY)

Sweden's Alexander Steen (20) watches as a shot by teammate Henrik Zetterberg scores past goaltender Jakub Kovar of the Czech Republic during second period of their men's preliminary round hockey game at the Sochi 2014 Winter Olympic Games, February 12, 2014. REUTERS/Laszlo Balogh (RUSSIA - Tags: OLYMPICS SPORT ICE HOCKEY)

Sweden's Henrik Zetterberg (40) celebrates his goal with teammates Alexander Steen (20) and Gabriel Landeskog (92) during the second period of their men's preliminary round hockey game against the Czech Republic at the Sochi 2014 Winter Olympic Games, February 12, 2014. REUTERS/Grigory Dukor (RUSSIA - Tags: OLYMPICS SPORT ICE HOCKEY)

Detroit Red Wings' Daniel Alfredsson (C) celebrates his goal against the Toronto Maple Leafs with teammates Pavel Datsyuk (L), Henrik Zetterberg (R) and Niklas Kronwall during the third period of their NHL pre-season hockey game in Detroit, Michigan September 27, 2013. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings goalie Jimmy Howard (L) makes a save as his teammates Kyle Quincey (2nd R) and Henrik Zetterberg (R) tie up Chicago Blackhawks right wing Marian Hossa in front of the net during Game 7 of their NHL Western Conference semi-final hockey playoff in Chicago, Illinois May 29, 2013. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Chicago Blackhawks center Jonathan Toews (19) skates past Detroit Red Wings center Henrik Zetterberg (obscured), who is mobbed by teammates after scoring in the third period, during Game 7 of their NHL Western Conference semi-final hockey playoff in Chicago, Illinois May 29, 2013. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings center Henrik Zetterberg (C) celebrates his third period goal against the Chicago Blackhawks with teammates Gustav Nyquist (2nd R), Kyle Quincey (L) and Daniel Cleary during Game 7 of their NHL Western Conference semi-final hockey playoff in Chicago, Illinois May 29, 2013. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings center Henrik Zetterberg (C) celebrates his third period goal against the Chicago Blackhawks with teammates Gustav Nyquist, Kyle Quincey (L) and Daniel Cleary (bottom R) during Game 7 of their NHL Western Conference semi-final hockey playoff in Chicago, Illinois May 29, 2013. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Chicago Blackhawks goalie Corey Crawford (50) makes a save on Detroit Red Wings center Henrik Zetterberg (40) during Game 6 of their NHL Western Conference semi-final hockey playoff game in Detroit, Michigan May 27, 2013. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Chicago Blackhawks right wing Marian Hossa (81) is checked in front of Detroit Red Wings goalie Jimmy Howard (35) by Detroit Red Wings Henrik Zetterberg (40) during Game 5 of their NHL Western Conference semifinal playoff hockey game in Chicago, Illinois May 25, 2013. REUTERS/John Gress (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Chicago Blackhawks right wing Marian Hossa (81) ia checked in front of Detroit Red Wings goalie Jimmy Howard (35) by Henrik Zetterberg (40) during Game 5 of their NHL Western Conference semifinal playoff hockey game in Chicago, Illinois May 25, 2013. REUTERS/John Gress (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings center Henrik Zetterberg (40) works the puck behind Chicago Blackhawks goalie Corey Crawford (50) as he is checked by defenseman Duncan Keith (2) in the first period of Game 3 of their NHL Western Conference semi-finals hockey game in Detroit, Michigan May 20, 2013. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings' Brendan Smith (L) celebrates his goal with teammate Henrik Zetterberg against the Chicago Blackhawks during the second period in Game 2 of their NHL Western Conference semi-final playoff hockey game in Chicago, Illinois, May 18, 2013. REUTERS/Jim Young (UNITED STATES - Tags: SPORT ICE HOCKEY)

Detroit Red Wings' Brendan Smith (C) celebrates his goal with teammate Henrik Zetterberg as Chicago Blackhawks' Patrick Sharp (L) skates past during the second period in Game 2 of their NHL Western Conference semi-final playoff hockey game in Chicago, Illinois, May 18, 2013. REUTERS/Jim Young (UNITED STATES - Tags: SPORT ICE HOCKEY)

Chicago Blackhawks' Patrick Kane (R) celebrates his goal with Patrick Sharp (L) in front of Detroit Red Wings' Henrik Zetterberg during the first period of Game 2 of their NHL Western Conference semi-final playoff hockey game in Chicago, Illinois, May 18, 2013. REUTERS/Jim Young (UNITED STATES - Tags: SPORT ICE HOCKEY)

Chicago Blackhawks' Patrick Kane (R) celebrates his goal with Patrick Sharp (C) in front of Detroit Red Wings' Henrik Zetterberg during the first period of Game 2 of their NHL Western Conference semi-final playoff hockey game in Chicago, Illinois, May 18, 2013. REUTERS/Jim Young (UNITED STATES - Tags: SPORT ICE HOCKEY)

Chicago Blackhawks center Jonathan Toews (19) is hit into the boards by Detroit Red Wings center Henrik Zetterberg (40) in the second period during Game 1 of their NHL Western Conference semi-finals playoffs in Chicago, Illinois, May 15, 2013. REUTERS/Jim Young (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings center Henrik Zetterberg (40) celebrates his first period goal against the Anaheim Ducks with his teammate Valtteri Filppula during Game 7 of their NHL Western Conference quarterfinal hockey playoff in Anaheim, California May 12, 2013. REUTERS/Mike Blake (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings center Valtteri Filppula (51) celebrates his second period goal against the Anaheim Ducks with teammates Daniel Cleary (11) and Henrik Zetterberg during Game 7 of their NHL Western Conference quarterfinal hockey playoff in Anaheim, California May 12, 2013. REUTERS/Mike Blake (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings center Henrik Zetterberg (40) celebrates with teammates Daniel Cleary (11) and Jakub Kindl (4) after scoring on the Anaheim Ducks during the first period in Game 7 of their NHL Western Conference quarter-final hockey playoff series in Anaheim, California May 12, 2013. REUTERS/Mike Blake (UNITED STATES - Tags: SPORT ICE HOCKEY)

Detroit Red Wings center Henrik Zetterberg (40) celebrates with teammates Daniel Cleary (11), Jakub Kindl (4) and Kyle Quincey (27) after scoring on the Anaheim Ducks during the first period in Game 7 of their NHL Western Conference quarter-final hockey playoff series in Anaheim, California May 12, 2013. REUTERS/Mike Blake (UNITED STATES - Tags: SPORT ICE HOCKEY)

Detroit Red Wings center Henrik Zetterberg is mobbed by his teammates after scoring the game winning goal in overtime against the Anaheim Ducks during Game 6 of their NHL Western Conference quarterfinals hockey game in Detroit, Michigan May 10, 2013. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings left wing Johan Franzen (93) celebrates teammates Henrik Zetterberg's 3rd period goal as Anaheim Ducks goalie Jonas Hiller (1) reacts during Game 6 of their NHL Western Conference quarterfinals hockey game in Detroit, Michigan May 10, 2013. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

A shot from Detroit Red Wings center Henrik Zetterberg (not shown) gets past Anaheim Ducks goalie Jonas Hiller (1) in the 3rd period as Johan Franzen (93) looks on during Game 6 of their NHL Western Conference quarterfinals hockey game in Detroit, Michigan May 10, 2013. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings center Pavel Datsyuk (C) celebrates his first period goal against the Anaheim Ducks with teammates Justin Abdelkader (8), Jonathan Ericsson (52) , Henrik Zetterberg (40) and Niklas Kronwall (55) during Game 6 of their NHL Western Conference quarterfinals hockey game in Detroit, Michigan, May 10, 2013. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings' Henrik Zetterberg celebrates with goalie Jimmy Howard (35) after defeating the Anaheim Ducks in over-time during Game 4 of their NHL Western Conference quarterfinals hockey game in Detroit, Michigan May 6, 2013. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Anaheim Ducks goalie Jonas Hiller makes a save on Detroit Red Wings center Henrik Zetterberg (L) in the 3rd period during Game 4 of their NHL Western Conference quarterfinals hockey game in Detroit, Michigan May 6, 2013. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings' Henrik Zetterberg (R) and Pavel Datsyuk (L) celebrate after Johan Franzen (2nd R) scores past Anaheim Ducks goaltender Jonas Hiller during the second period of Game 2 of their NHL Western Conference quarter finals hockey playoff in Anaheim, California May 2, 2013. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings Justin Abdelkader (L) celebrates his first period goal with Henrik Zetterberg against the Anaheim Ducks during Game 2 of their NHL Western Conference quarter finals hockey playoff in Anaheim, California May 2, 2013. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings' Justin Abdelkader (C) celebrates his first period goal with team mates Pavel Datsyuk (L) and Henrik Zetterberg against the Anaheim Ducks during Game 2 of their NHL Western Conference quarter-final hockey playoff in Anaheim, California May 2, 2013. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Vancouver Canucks goalie Cory Schneider (C) stops the puck from both Detroit Red Wings Justin Abdelkader (L) and Henrik Zetterberg during the third period of their NHL hockey game in Vancouver, British Columbia April 20, 2013. REUTERS/Andy Clark (CANADA - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings' Niklas Kronwall (L), Pavel Datsyuk and Henrik Zetterberg (R) celebrate the tying goal against the Edmonton Oilers during the third period of their NHL hockey game in Edmonton March 15, 2013. REUTERS/Dan Riedlhuber (CANADA - Tags: SPORT ICE HOCKEY) 

Edmonton Oilers' Shawn Horcoff (C) is checked by Detroit Red Wings' goalie Jimmy Howard (L) and Henrik Zetterberg during the first period of their NHL hockey game in Edmonton March 15, 2013. REUTERS/Dan Riedlhuber (CANADA - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings leftwing Henrik Zetterberg (C ) celebrates with teammates after scoring against Vancouver Canucks goalie Roberto Luongo (R ) during the second period of their NHL hockey game in Detroit, Michigan February 24, 2013. REUTERS/ Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Calgary Flames left wing Curtis Glencross (L) celebrates his goal against Detroit Red Wings goalie Jimmy Howard (R) and Wings left wing Henrik Zetterberg during the first period of their NHL hockey game in Detroit, Michigan February 5, 2013. REUTERS/ Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Nashville Predators' defensman Ryan Suter and goalie Pekka Rinne (R) defend their net against Detroit Red Wings' leftwing Henrik Zetterberg during the first period of their NHL Western Conference quarter-final hockey playoff game in Detroit, Michigan April 15, 2012. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Nashville Predators defenseman Francis Bouillon (51) grabs onto Detroit Red Wings center Henrik Zetterberg (40) in the third period during Game 2 of their NHL Western Conference quarter-final hockey playoffs in Nashville, Tennessee April 13, 2012. REUTERS/M. J. Masotti Jr. (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Nashville Predators goalie Pekka Rinne (R) stretches out to stop Detroit Red Wings center Henrik Zetterberg (L) as Nashville Predators center Mike Fisher (12) looks on in the 3rd period during Game 1 of their NHL Western Conference quarter-final hockey playoffs in Nashville, Tennessee April 11, 2012. REUTERS/M. J. Masotti Jr (UNITED STATES - Tags: SPORT ICE HOCKEY TPX IMAGES OF THE DAY) 

Nashville Predators goalie Pekka Rinne makes a dive save next to Mike Fisher (R) as he stops Detroit Red Wings center Henrik Zetterberg (40) from scoring in the 3rd period during Game 1 of their NHL Western Conference quarter-final hockey playoffs in Nashville, Tennessee April 11, 2012. REUTERS/M. J. Masotti Jr (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings center Henrik Zetterberg (C) is celebrates his 2nd period goal with teammates Nicklas Lidstrom (L) and Jiri Hudler (R) as Nashville Predators center Nick Spaling (13) skates past during Game 1 of their NHL Western Conference quarter-final hockey playoffs in Nashville, Tennessee April 11, 2012. REUTERS/M. J. Masotti Jr (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings Henrik Zetterberg (L) and St. Louis Blues Carlo Colaiacovo fight for the puck during the third period of their NHL hockey game in St. Louis, Missouri, April 4, 2012.
REUTERS/Sarah Conard (UNITED STATES - Tags: SPORT ICE HOCKEY) 

St. Louis Blues' David Backes and Detroit Red Wings' Henrik Zetterberg race to the puck during the second period of their NHL hockey game in St. Louis, Missouri, April 4, 2012.
REUTERS/Sarah Conard (UNITED STATES- Tags: SPORT HOCKEY) 

Detroit Red Wings' Henrik Zetterberg and St. Louis Blues' Alexander Steen (R) fight for the puck during the first period of their NHL hockey game in St. Louis, Missouri, April 4, 2012.
REUTERS/Sarah Conard (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings left wing Henrik Zetterberg (2nd R) celebrates with teammates after scoring a goal against the Dallas Stars during the first period of their NHL hockey game in Detroit, Michigan February 14, 2012. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings leftwing Henrik Zetterberg (L) scores a goal against Dallas Stars goalie Kari Lehtonen (top R) during the first period of their NHL hockey game in Detroit, Michigan February 14, 2012. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings players (L-R) Niklas Kromwall, Nicklas Lidstrom, Henrik Zetterberg, Pavel Datsyuk and Jimmy Howard stand on the field at Michigan Stadium during an announcement that the Detroit Red Wings will host the Toronto Maple Leafs at Michigan Stadium on the University of Michigan campus in the 2013 Bridgestone NHL Winter Classic in Ann Arbor, Michigan February 9, 2012. In mid-December, Comerica Park in downtown Detroit will host the 'Hockeytown Winter Festival' with the main attraction being an ice rink built on the field where a Red Wings and Maple Leafs alumni game will be played. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

NHL commissioner Gary Bettman (3rd L) poses with Detroit Red Wings players Niklas Kronwall (L-R), Nicklas Lidstrom, Henrik Zetterberg, Pavel Datsyuk and goalie Jimmy Howard on the field at Michigan Stadium in Ann Arbor, Michigan February 9, 2012, following an announcement that the Red Wings will host the Toronto Maple Leafs at the stadium on the University of Michigan campus in the 2013 Bridgestone NHL Winter Classic. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Edmonton Oilers defenseman Corey Potter (R) moves the puck around their net in front of Detroit Red Wings leftwing Henrik Zetterberg during the second period of their NHL hockey game in Detroit, Michigan February 8, 2012. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings' Henrik Zetterberg (R) battles with Edmonton Oilers' Ladislav Smid and goalie Devan Dubnyk (L) during the third period of their NHL hockey game in Edmonton February 4, 2012. REUTERS/Dan Riedlhuber (CANADA - Tags: SPORT ICE HOCKEY) 

Montreal Canadiens' goalie Carey Price makes a save against Detroit Red Wings' Henrik Zetterberg (40) during the third period of their NHL hockey game in Montreal January 25, 2012. REUTERS/Christinne Muschi (CANADA - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings goalie Jimmy Howard makes a sprawling attempt to stop the game winning goal by Toronto Maple Leafs Joffrey Lupul (R) as Lupul is pushed by Red Wing Henrik Zetterberg in the third period of their NHL hockey game in Toronto January 7, 2012. REUTERS/Fred Thornhill (CANADA - Tags: SPORT ICE HOCKEY) 

Calgary Flames' Jarome Iginla (L) is checked by Detroit Red Wings' Henrik Zetterberg during the 1st period of their NHL hockey game in Calgary, Alberta, December 22, 2011. REUTERS/Mike Sturk (CANADA - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings left wing Henrik Zetterberg (L) watches Winnipeg Jets goalie Ondrej Pavelec (2nd R) look away after Detroit Red Wings center Jiri Hudler scored during the third period of their NHL hockey game in Detroit, Michigan December 10, 2011. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Calgary Flames goalie Miikka Kiprusoff (L) and Flames defensman Mark Giordano defend their net against Detroit Red Wings left wing Henrik Zetterberg during the third period of their NHL hockey game in Detroit, Michigan November 23, 2011. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Edmonton Oilers goalie Nikolai Khabibulin stops a shot in front of Detroit Red Wings Henrik Zetterberg during the third period of their NHL hockey game in Detroit, Michigan November 11, 2011. REUTERS/Rebecca Cook (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings forward Henrik Zetterberg (L) is upended by Vancouver Canucks defenseman Keith Ballard (R) during the third period of their NHL hockey game in Detroit, Michigan October 13, 2011. REUTERS/Rena Laverty (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings forward Henrik Zetterberg (L) is upended by Vancouver Canucks defenseman Keith Ballard (R) during the third period of their NHL hockey game in Detroit, Michigan October 13, 2011. REUTERS/Rena Laverty (UNITED STATES - Tags: SPORT ICE HOCKEY) 

San Jose Sharks center Patrick Marleau (L) shakes hands with Detroit Red Wings center Henrik Zetterberg (R) after defeating the Red Wings to win Game 7 of the NHL Western Conference semi-final hockey playoff in San Jose, California May 12, 2011. REUTERS/Chad Ziemendorf (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings center Henrik Zetterberg (C) celebrates his second period goal with teammate Pavel Datsyuk (R) in front of San Jose Sharks goalie Antti Niemi (L) during Game 7 of the NHL Western Conference semi-final hockey playoff in San Jose, California May 12, 2011. REUTERS/Chad Ziemendorf (UNITED STATES - Tags: SPORT ICE HOCKEY) 

Detroit Red Wings center Henrik Zetterberg (L) celebrates his second period goal against the San Jose Sharks with teammate Pavel Datsyuk during Game 7 of the NHL Western Conference semi-final hockey playoff in San Jose, California May 12, 2011. REUTERS/Chad Ziemendorf (UNITED STATES - Tags: SPORT ICE HOCKEY)