Wayne Rooney window opened on 10 July. On 14 July, in a 3–1 win against the Vancouver Whitecaps, Rooney made his debut for United, coming on for Darren Mattocks in the 59th minute, and assisted a goal by Paul Arriola. Rooney's debut came on the unveiling of DC United's new $400 million stadium, Audi Field. After three games, Rooney was named captain by manager Ben Olsen. His first goal for the club came on 28 July in his first game with the armband, slotting past his former Manchester United teammate, goalkeeper Tim Howard, securing a 2–1 win over the Colorado Rapids at
Wayne Rooney 350th game for United in all competitions. On 4 March, Rooney scored the first goal in a 3–1 away win against Tottenham at White Hart Lane and passed Joe Spence in Manchester United's all-time top goalscorers table, moving up to sixth place overall with 169 goals. He scored another brace in his next game, against Atletico Bilbao in the UEFA Europa League. On 11 March, Rooney scored the two goals that brought United the victory against West Brom in a 2–0 home win. On 15 March, Rooney scored in the second leg of the Europa League tie against Athletic Bilbao