Career
Davidsen played 46 international matches for Norway and scored 5 goals. He currently works as a football commentator in TV3. Playing career
Davidsen started his playing career in Bærum, and had a short spell for Frigg before joining Vålerenga in 1980.
Davidsen and Vålerenga became league champions in 1981, 1983 og 1984.
Davidsen left Vålerenga after the 1986 season, and played one year in their rival club Lillestrøm before he decided to retire. Coaching career
After he retired as a player, Bærum appointed him as a coach, and since then he has coached Strømmen, Vålerenga, Lyn and Strømsgodset with a variable degree of success.