Background
Born in Larvik Sundby followed in the footsteps of his father, Reidar Sundby, and began playing football in Larvik Turn.
Born in Larvik Sundby followed in the footsteps of his father, Reidar Sundby, and began playing football in Larvik Turn.
A midfielder who scored 6 goals in 39 caps for the national team, he participated in the 1984 Summer Olympics. In 1981 he went to Lyn, and was brought to Lillestrøm two seasons later as a replacement for Tom Lund, who they lost to retirement. He also played for three seasons with Iraklis F.C. in the Greek Super League.
During a 1988 international against Scotland Sundby was seriously injured by a tackle from Steve Nicol.
Due to the injure Sundby was sidelined for two years, effectively ruining his professional career. In 1990 he did a comeback at Lyn, where he played for three seasons, finishing his career as one of the best players of the Norwegian league.