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 title for United, and giving Rooney his fourth Premier League title winner's medal. Rooney started the season with a goal in the first league game at The Hawthorns against West Bromwich Albion. Rooney played a one-two with Ashley Young before a sharp turn and finish from outside the box which found the bottom corner of the goal. He also scored in the second game of the season, at home to Tottenham Hotspur, when he headed in a Ryan Giggs cross. In late August, Rooney scored his 150th goal for United, the first of a hat-trick, helping to beat Arsenal 8–2.