Career
He is the younger brother of Kimmo Timonen. Timonen began playing hockey at the junior level for KalPa, the team owned by brother Kimmo Timonen and Sami Kapanen. After two years with the team, he was drafted by the Philadelphia Flyers in the fifth round, 146th overall, of the 2001 National Hockey League Entry Draft.
He has since played for two other Master of Science-liiga teams, TPS and SaiPa.
On May 30, 2006, the Flyers announced that they had signed Timonen to a two-year entry-level contract. "I am very happy because this has been my dream all my life,” said Timonen.
I think my skating is pretty good. That is my main strength."
Following Flyers training camp, he was sent down to the Philadelphia Phantoms, the AHL affiliate of the Flyers.
He was called up and made his National Hockey League debut on November 20 against the Pittsburgh Penguins.
On December 10, 2007, Timonen was traded to the Dallas Stars in return for a conditional draft pick where he was placed with the team"s AHL affiliate, the Iowa Stars. Following the season, Timonen returned to Finland to play for KalPa. On December 12, 2012, Timonen was signed to a four-year contract extension to remain with KalPa.