[3] He signed his first professional contract in September 1977 and scored 9 goals in 22 appearances,[4] before his surprise departure to Third Division club Brentford in December 1980.
[5] After arriving at Griffin Park in a £30,000 double-deal with Lee Frost, Johnson lacked the pace and presence to establish himself at the club and leg injuries suffered in a car crash during the 1982 off-season effectively ended his career with the club.
[5] Johnson was released by Brentford at the end of the 1982–83 season, after making 65 appearances and scoring 14 goals during 2+1⁄2-years at Griffin Park.
[6] After a spell with Plate Glass Rangers in South Africa,[6] Johnson returned to England to join Fourth Division club Aldershot in August 1985.
[1] Over the course of three seasons at the Recreation Ground, Johnson made 75 league appearances and scored 20 goals and closed out his career in non-League football with Leatherhead.