Education
He finished the 2004-2005 season with two appearances and made one appearance the subsequent season.
He finished the 2004-2005 season with two appearances and made one appearance the subsequent season.
Born in Sheffield, South Yorkshire, Dumcum started his career with Rotherham United in 2005 and made his debut in a 3–1 defeat to Gillingham in the Football League Championship on 5 March 2005. He made two substitute appearances during the 2006-2007 season as Rotherham were relegated to League Two. He joined Conference Premier side York City on a one-month loan on 20 February 2008, which was extended for a further month in March, despite his having aggravated a hamstring injury.
He however signed for Ilkeston Town in May.
Following two loan spells with Worksop Town during the 2010-2011 season, Duncum joined the club on a permanent basis in June 2011.
