He left to join Everton in April 1976 for a fee of £35,000 and became a crowd favourite with his tremendous skills in midfield and a knack for scoring goals.
King was the first QPR player to score on the famous 'plastic pitch' in the opening game, although Rangers lost 1–2 to Luton Town.
In all King played 30 league games for QPR scoring 9 goals before a transfer to West Bromwich Albion in September 1981.
King returned to Everton in July 1982 for two seasons, subsequently playing for Dutch side Cambuur Leeuwarden then Swedish team Örebro SK, before joining Wolverhampton Wanderers in January 1985.
King was appointed player/manager of Irish top division team Waterford United in January 1989,[4] after Peter Thomas resigned.
[6] scoring his only League of Ireland goal came on St Patrick's Day against Shamrock Rovers[7] He was appointed as manager of Mansfield Town in August 1993.
Evans remained in charge for just a few months and King was re-appointed as Swindon manager on 20 December 2001 after the arrival of new owners of the club (including the former jockey Willie Carson).