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
2009–10 Manchester United F.C. season first-leg defeat at Bayern and the previous League defeat by Chelsea), United were looking to bounce back against a team that had not lost a home game since the previous August. Wayne Rooney was out injured and so Federico Macheda was up front with Dimitar Berbatov. Although United pressed hard and played the better football, they could not find their way past a resolute Blackburn defence and the game ended 0–0. United then went to the City of Manchester Stadium to face Manchester City in the fourth Manchester derby of the season. United needed to win to have any chance