[1] He joined Reading of the Third Division South in 1953 but did not sign professional forms until he had completed his national service.
Chung moved to Watford for the 1957–58 season, where under Neil McBain the side were relegated to the Fourth Division.
Following a short period as manager of Swedish side IFK Västerås, he returned to join Bill McGarry, now at Wolverhampton Wanderers, as his assistant.
[4] After a period coaching in the United Arab Emirates, he returned to England in 1985 as assistant manager to Mick Mills at Stoke City where he spent five years and was later in the backroom staff at Blackburn Rovers in 1991–92.
His Doncaster spell brought two promising seasons on the field, but promotion challenges gradually petered out into mid-table finishes.