In the 2014–15 season, Sissoko was given the captain's armband after Fabricio Coloccini sustained an injury. In his first match starting as captain, Sissoko scored his first league goal of the season in a 1–0 win over Queens Park Rangers. On 29 November 2014, Sissoko was shown two yellows in the space of 45 seconds, in a 1–0 away defeat to West Ham United. On 1 January 2015, Sissoko scored his second league goal of the season, as Newcastle drew 3–3 against Burnley. On 13 April 2015, Sissoko was sent off in an away match at Liverpool, receiving a second yellow card from referee Lee Mason, after a dangerous tackle to Lucas Leiva. On 24 May 2015, the final day of the season, he scored the opening goal in a 2–0 home victory over West Ham United, which helped Newcastle clinch their Premier League safety.