 He scored his first league goal for Colchester in a 1–1 draw at home to Carlisle United on 27 August.Mooney scored twice on his first appearance in the FA Cup, a 4–3 first round win over Bradford City on 6 November.Mooney initially had a loan deal which ran until 6 January, but decided to return to Colchester United for the remainder of 2010/2011 season.