matches before being eliminated by Derby County in the FA Cup third round replay. Then on 1 December 2009, he scored his second goal of the season, in a 3–2 win over Milton Keynes Dons. His performance led to him further extending his contract with the club until 2012. Hackett also played a role when he assisted two matches, setting up a winning goal for Neil Harris in a 2–1 win over Norwich City on 6 February 2010 and then a hat-trick of assists, in a 5–0 win over rivals, Charlton Athletic on 25 February 2010. Although he missed the two semi-finals of the play-offs through injury, he returned to make a substitute appearance in Millwall's victory in the Wembley final on 29 May 2010. Despite being sidelined later in the 2009–10 season, Hackett went on to make forty-eight appearances, scoring two times in all competitions. At the start of the 2010–11 season, Hackett found himself in the substitute bench role, with James Henry and Danny Schofield preferred in the club's wide midfield position. Between 28 September 2010 and 19 October 2010, he made four starts for the side following absent of midfielders before returning to the substitute role. Between 15 January 2011 and 22 January 2011, Hackett assisted in both of the matches against Ipswich Town and Leicester City. Later in the 2010–11 season, Hackett found his first team opportunities limited further, due to being on the substitute bench and eventually out of the starting eleven. He finished the season, making eighteen appearances in all competitions. In the 2011–12 season, Hackett made his first start of the season, starting the whole game, in a 1–0 win over Plymouth Argyle in the first round of the League Cup on 9 August 2011. Two weeks later on 24 August 2011 against Morecambe in the second round of the League Cup, where he set up one of the goals, in a 2–0 win. Hackett continued to have his first team opportunities limited at Millwall, even returning from a loan spell at Exeter City and Wycombe Wanderers. At the end of the 2011–12 season, where he made six appearances, Hackett was released by Millwall after six years at the club. Loan spells at Exeter City and Wycombe Wanderers On 24 November 2011, Hackett joined League One side Exeter City on loan for a month until 31 December with the option of extending the