But they were denied a league and cup double , and a third successive FA Cup triumph .
Arsenal were well on their way to completing an unbeaten Premier League season when they met United in the FA Cup semi-final in 2004 .
Arsenal were denied a league and cup double , and a third successive FA Cup triumph .
Arsenal were well on their way to completing an unbeaten Premier League season when they met United in the FA Cup semi-final in 2004 .