deal. Hackett made his Exeter debut on 26 November 2011 at home to Tranmere Rovers putting in a man-of-the-match performance, in which he provided assists for Danny Coles and Richard Logan in a 3–1 win. Hackett was recalled by Millwall on 31 December 2011 following the completion of his loan spell. On the day he was recalled, Hackett made his last appearance for Exeter City, coming off early for Daniel Nardiello in a 2–0 loss against Colchester United. By the time he departed Exeter City, he made five appearances for the side. After being recalled, Hackett made a brief appearance for Millwall, but on 21 February 2012 he joined League One side Wycombe Wanderers on a one-month loan. A few days later he made his debut for the club in a 5–0 victory over Hartlepool United. In the next match against Scunthorpe United, a 4–1 loss, Hackett suffered a groin injury but he returned to the side on 17 March 2012 in a 4–1 win over Bury. Although suffering an injury, Hackett's loan at Wycombe was extended until the end of the season. Hackett made make eight during the 2011–12 season. Northampton Town On 3 July 2012, Hackett signed a two-year deal with Northampton Town on a free transfer after being released by Millwall, ending a six-year term at the club. He made his Northampton Town debut, where he started the match before coming off as a substitute in the 56th minute, in a 2–1 win over Cardiff City in the first round of the League Cup. A week later on 21 August 2012, Hackett scored his first goal for the club, in a 2–1 win over Rotherham United. In a follow up match against Southend United, he set up one of the goals, in a 3–3 draw. A week later on 8 September 2012, Hackett scored his second goal of the season, in a 2–0 win over AFC Wimbledon. Since joining the club, he became a first team regular for the side, playing in the midfield position. Hackett started in every match since the start of the 2012–13 season until he suffered a groin injury that saw him miss two matches. He returned to the starting lineup against York City on 6 November 2012, setting up an equalising goal for Adebayo Akinfenwa, in 1–1 draw. Having been initially out due to illness, Hackett overcome the obstacles and started the