Career
Cumbers made his professional debut as a substitute in Gillingham"s 2–0 home defeat against Yeovil Town on 5 May 2007. On 21 November he was recalled from Maidstone, where he had scored 11 goals in 13 matches, and immediately loaned out to Grays Athletic, where he scored on his debut away to Aldershot Town. On 8 January 2008, Cumbers was recalled from Grays to Gillingham, but was loaned to AFC Wimbledon on 8 February 2008 to gain further first team experience.
Cumbers scored in both the play-off semi-final and final.
Cumbers scored his first goal for Gillingham on 15 November 2008, the fourth in a 4–0 victory over Rotherham United. On 13 March 2009, Cumbers signed for Ebbsfleet United on a month"s loan.
He re-joined the club on loan again the following season on 18 September, and in November 2009 rejoined AFC Wimbledon on a one-month loan. In February 2010, Cumbers went out on another loan deal, this time joining Dover Athletic until the end of the season.
Cumbers had previously featured for the Conference South side in a pre-season friendly against Sittingbourne.
In the summer of 2010, Cumbers" contract at Gillingham was not renewed and he signed for Welling United.