As of November 2011, the last time Manchester United and Arsenal faced each other in the FA Cup, on March 12, 2011, Manchester United won 2 - 0, with goals from Fábio and Wayne Rooney.
3 arsenal-manchester united 2
The last time Manchester United beat Arsenal by a score of 1 - 2 was on April 14, 1999 in the FA Cup.
The FA Cup in 2005, where Arsenal won on penalties against Manchester United in the final, after a 0-0 draw in normal and extra time.
Manchester United 100% they will face Arsenal at the final and rip them to shreds
They are Manchester united, Liverpool, Arsenal, Chelsea and Portsmouth have won it.
Arsenal won the 1979 FA Cup Final. The beat Manchester United 3 - 2.
Manchester United have won the f.A. cup 11 times, Arsenal have won 10 F.A Cups.
Manchester United defeated Chelsea, 4-0, to win the 1994 FA Cup.
Mainly Arsenal, Chelsea and Manchester United.
Theirry Henry, fabian Barthez and Lauren Blanc are the world cup winners who played at Arsenal and Manchester united.
Arsenal have won the F.A cup ten times, only Manchester United have won it more, they have won it 11 times.
The last time Arsenal won a trophy was in 2005. They won FA cup by beating Manchester United 5-4 on penalty shootout.