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
2007–08 Manchester United F.C. season in the opening exchanges of the game. United goalkeeper Ben Foster, making his debut due to the unavailability of Van der Sar and Tomasz Kuszczak, then staked his claim to the number 1 jersey with a pair of fine saves from Derby striker Kenny Miller. Cristiano Ronaldo proved to be the thorn in Derby's side on a number of occasions, testing former Manchester United goalkeeper Roy Carroll with a curling effort hit with the outside of his foot and a 40-yard free kick. The breakthrough finally came in the 76th minute, Ronaldo scoring a deserved goal from a Wayne Rooney