 The return from injury for King was short lived however, after suffering a setback during training which caused the length on the sidelines to be extended for a few weeks.On 8 February 2011, King finally made his return to football after 18 months without playing after replacing Matthew Lawrence in the 25th minute in the 3–1 home win against Rotherham United.He joined Plymouth Argyle on loan for one month on 31 August 2011, and made his debut in a 2–1 defeat at Burton Albion on 3 September.