Myyry graduated 59 A- international matches for the Finnish national team, scoring two goals. He played in midfield and was due to its rather small body size (approx. 1.63 m) as wuseliger dribbler. He played until 1987 for his Finnish tribe FC Haka among others next to his brother Mika Myyry. For the season 1987/88 he accepted an offer of the then social climber in the 2nd Bundesliga SV Meppen. Until 1989, he played for the Emsland club 59 times (14 goals) in the 2nd Bundesliga and was instrumental in their relegation in the first two years of the second division affiliation. Here he acquired the nickname " lawn flea ".
From 1989 to 1994 he played for SC Lokeren in the Belgian first division, who had become aware of due to the good performance Myyrys in Meppen and in the Finnish national team on him and lured him to Belgium. One of the trainers Myyrys in Lokeren was, inter alia, Aimé Anthuenis, who is also coach of the Belgian national team.
1994 Myyry returned to SV Meppen, where he made up for relegation from the Bundesliga 2 1998 a further 116 games (10 matches ) for the SV Meppen.
The Finn was finally in Emsland his new home and moved in 2001 to SV Blau-Weiß Dörpen in the county league Emsland, where he remained until 2003. 2005/ 06 he took on the post of player coach at SV Lengerich - Handrup ( 1 Kreisklasse Emsland South), but there could not achieve any success, so that the club released him again before the winter break. In the summer of 2006, he then returned as a 38 -year-old one a third time at SV Meppen, now played but for the second team ( county league Emsland). The connections were about his former team-mate Robert Thoben, which has already played in the previous season at SV Meppen II and from now on according to the professional time at SV Meppen again was his team mate.