Wojciech Szczesny feels sorry for Arsenal after his FA Cup error . The goalkeeper let an Alexis Sanchez shot squirm into the net in extra-time . Szczesny insists Federici 'was the best player on the pitch ' at Wembley . Adam Federici went onto win the semi-final 2-1 after the goalkeeper 's error . CLICK HERE for all the latest Adam Federici news .
Wojciech Szczesny feels sorry for Adam Federici after his FA Cup error . The goalkeeper let an Alexis Sanchez shot squirm into the net in extra-time . Szczesny insists Federici 'was the best player on the pitch ' at Wembley . Arsenal went onto win the semi-final 2-1 after the goalkeeper 's error . CLICK HERE for all the latest Arsenal news .