His first game back ended in an FA Cup win over Telford United and he replaced John Taylor as first-choice goalkeeper at the club.
The 1974–75 season was one of Chester's finest, as they reached the Football League Cup semi–finals and won promotion from Division Four.
Millington was vital to both successes as he played in every game, memorably making an outstanding save from Malcolm MacDonald in a quarter-finals giant killing win over Newcastle United.
This season saw Millington involved in a bizarre incident when a Football League Cup tie with Plymouth Argyle was abandoned after he collided with a goalpost – which snapped in the process.
[6] He played in the final game of the season, a 2–1 loss to Scunthorpe United, before joining non–league side Oswestry Town in the summer of 1983.