Career
He has previously played in the National Hockey League for the Dallas Stars, Minnesota Wild and the Winnipeg Jets. Miettinen was drafted by the Dallas Stars as their seventh-round pick, 224th overall, in the 2000 National Hockey League Entry Draft. Prior to playing in the National Hockey League, Miettinen played for five years in the Master of Science-Liiga with HPK Hämeenlinna picking up the Kultainen kypärä and the Lasse Oksanen trophy in his final year in Finland.
Miettinen spent two-years in the AHL before playing his first full season in the National Hockey League in the 2005-2006 season with the Stars.
On July 3, 2008, Miettinen signed a 3-year $7 million contract with the Minnesota Wild. He was chosen to play for Finland in the 2006 Winter Olympics but was unable to participate due to an upper body injury.
He was replaced on the team by Niklas Hagman. On December 12, 2011, Miettinen agreed on a two-year deal to return to the National Hockey League with the Tampa Bay Lightning.
However the following day he was claimed off re-entry waivers by the Winnipeg Jets.
A free agent at the conclusion of his two-year contract with the Jets, Miettinen once again left the National Hockey League, and signed a one-year contract with Swiss club, The Human Context Fribourg-Gottéron of the National League A on July 22, 2013. In the 2013-2014 season, Miettinen was hampered again by injury but posted a credible 7 goals and 22 points in 34 games with Fribourg.