Hargreaves made his Manchester United debut in a friendly against Peterborough United on 4 August, coming on as a second-half substitute in United's 3–1 victory. He made his first Premier League appearance in Manchester United's third game of the season, in the derby match away to Manchester City in a 1–0 defeat. Hargreaves scored his first league goal for Manchester United against Fulham on 1 March, a free kick from just outside the penalty box. He scored his second league goal for the club on 13 April, a free kick winner against Arsenal. In his first season with Manchester United they won the Premier League and Champions League titles. In the Champions League final, Hargreaves played all 120 minutes, starting on the right of midfield, and scored United's fourth penalty of the shootout as they defeated Chelsea 6–5 on penalties.