 He signed a one-year professional deal in June 2014, being promoted to the main squad.On 20 December 2014 Bentley made his professional debut, starting in a 3–0 home win against Dagenham & Redbridge for the League Two club.Just days later on 28 December 2014, with it only being his 3rd professional start, he was red-carded for a tackle on Josh Ruffels whilst playing against Oxford United.