[5][6] He went on to work under Bertie Mee at Arsenal as first-team coach, after Steve Burtenshaw's resignation and subsequent departure to Sheffield Wednesday in the summer of 1973.
[8] After a couple years of underachievement and a disastrous relegation to the Third Division in 1979–80,[9] Campbell was finally sacked in October 1980 when the team made a poor start to the 1980–81 season.
[8] He returned to Portsmouth in March 1982 as a manager, whom he led to the Third Division title in 1982–83 after spending big on players such as Alan Biley and Neil Webb.
[3] He also had a stint with Kuwait side Qadsia SC[3] before taking up reserve team manager position at Chelsea in the summer of 1987.
Campbell was unable to turn around the club's fortunes in the eight games which remained that season, and they were relegated via the short-lived play-off system.