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
2004–05 Manchester United F.C. season chipped in to seal the victory. For their next game, United travelled crosstown to face rivals Manchester City on 13 February. Wayne Rooney met Gary Neville's cross to the near post with a low shot, which went in via a deflection off Richard Dunne, to put United ahead. Seven minutes later, the unfortunate Dunne hooked a volley over David James' head and into his own net. Steve McManaman wasted City's best chance when he shot wide from three yards in the first half. Following a 2–1 home win over Portsmouth, with Wayne Rooney scoring a brace, United travelled to Selhurst