Campbell began his career with then-Second Division side Liverpool in 1958, making his debut against Sheffield United on 15 September.
[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.