He was the coach of the Sweden men's national football team from 1980 to 1986.
Arnesson represented Djurgården 1960–64, playing 93 matches and scoring one goal as well as winning one Swedish title, in 1964.
[2] Arnesson had great success as a coach for Östers IF and got the job as coach for the national team, leading Sweden in 1982[3] and 1986 World Cup qualifying.
Following his coaching career, Arnesson worked with the FIFA technical committee to evaluate proposals for changes to the FIFA Laws of the Game.
[2] Lars Arnesson died on 1 October 2023, at the age of 87.