the winning goal for Gillingham against former club Stevenage on 26 November 2013, scoring in the 76th minute of a 3–2 victory. Mousinho suffered a hamstring injury in a 4–1 loss to Rotherham United four days later, and returned to his parent club before the end of the loan agreement. He made six appearances in his one month at Gillingham. After recovering from his injury, Mousinho rejoined Stevenage on loan for the remainder of the season on 31 January 2014. The move meant that Mousinho had been signed by manager Graham Westley for a third time. He made his second debut for the club against Gillingham, the club he had been on loan at earlier in the season, as Stevenage won the match 3–1 at Broadhall Way. He scored once during the loan spell, in a 3–1 win over Tranmere Rovers on 8 March 2014. Mousinho made 16 appearances during the four-month agreement as Stevenage were relegated back to League Two. Mousinho was one of six players released by Preston on 20 May 2014. Burton Albion Following his release from Preston, Mousinho joined League Two club Burton Albion on a two-year deal on 6 June 2014. Manager Gary Rowett revealed that Mousinho had been the club's primary transfer target that summer. He made his Burton debut in the club's first match of the 2014–15 season, a 1–0 away victory against Oxford United. Mousinho scored his first goal for Burton in his fifth appearance, a second-half equaliser away at Newport County on 23 August 2014. He was appointed the club's captain during his first season with Burton, making 45 appearances throughout the season as the club earned promotion to League One after finishing the season as League Two champions. Mousinho's contract at Burton was extended by a further year on 15 October 2015. He was almost ever-present for the club during the 2015–16 season, making 48 appearances. Burton finished the season as runners-up in League One, meaning Mousinho had helped the club earn back-to-back promotions in his two seasons there. He made 32 appearances during the 2016–17 season as Burton remained in the Championship courtesy of a 20th-place finish. Mousinho stated the muted celebrations despite the club's survival showed how far the club had come in recent seasons. Mousinho did, however, go on to state "in some ways it is more of an achievement than getting promoted, it is more of