 His first career goal came three days later in a 5–2 home win against Hayes (who have since merged with Yeading).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.