 Over the following seasons Green played a key role in several promotions with Doncaster.He first achieved promotion into the Football League following a 3–2 win over Dagenham & Redbridge in the Conference Play-off Final in the 2002–03 season and then won the League Two title the following season.He was again a key player in the side that achieved another play-off promotion, this time from League One into the Championship after a 1–0 win over Leeds United at Wembley in the 2007–08 season.