He failed to play a league game for Forest in 1974–75, and instead moved on to Doncaster Rovers in a player exchange for Micky French in July 1978, who were in the Fourth Division and managed by Stan Anderson.
[2] He provided many assists for strike duo Peter Kitchen and Brendan O'Callaghan in the 1975–76, also scoring nine goals himself, including a hat-trick in a 5–1 win over Newport County in November.
[4] He played a total of 139 games for "Donny" in league and cup competitions, scoring 15 goals, as the side posted mid-table finishes in 1976–77 and 1977–78.
He was voted onto the PFA Team of the Year for the fourth tier in all three of his seasons at Belle Vue as his accurate crosses provided a huge amount of goalscoring chances for Kitchen and O'Callaghan.
Rovers also won the Full Members Cup in 1987, as they beat Charlton Athletic 1–0 in the Wembley final after Miller set up Colin Hendry for the only goal of the game.
Miller departed Ewood Park and joined Second Division Port Vale in June 1989, as manager John Rudge needed cover for an injured Gary Ford.
[6] He began the 1989–90 season as a regular but lost his place by December and was released in August 1990, having played 24 games in all competitions, scoring once against Ipswich Town on New Year's Day.
He moved on to Mick Buxton's Scunthorpe United and helped them to the Fourth Division play-offs, where they lost to Blackpool at the semi-final stage.