Arsenal beat Manchester 2-1 in their FA Cup quarter-final clash on Monday . Danny Welbeck came back to haunt his former side with the winner for Arsene Wenger 's men . Louis van Gaal's substitutes proved to be too defensive on the night . Whereas Arsene Wenger gambled with his tactics and reaped the rewards . The Gunners were without captain Jack Wilshere who was ruled out of action through injury
Arsenal beat Manchester 2-1 in their FA Cup quarter-final clash on Monday . Danny Welbeck came back to haunt his former side with the winner for Arsene Wenger 's men . Louis van Gaal's substitutes proved to be too defensive on the night . Whereas Arsene Wenger gambled with his tactics and reaped the rewards . Arsenal will play either Bradford or Reading in the semi finals .