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 past Ben Foster. Wayne Rooney won a penalty for Manchester United in the 59th minute, knocking Ryan Giggs' through-ball past Manuel Almunia, who brought the English striker down. Rooney then stepped up to take the penalty himself, and slotted it home to the 'keeper's left. Arsenal responded with a free-kick from Robin van Persie that hit the crossbar, but a United attack immediately afterwards produced a similar free kick, taken by Ryan Giggs, which Abou Diaby headed into his own net. With the final attack of the game, deep into the fifth minute of injury time, Arsenal had the ball