Adam Federici allowed Alexis Sanchez 's shot to squirm through his legs . His error meant Arsenal advanced to the FA Cup final after extra-time . Reading boss Steve Clarke has backed his goalkeeper to get back on track . The Royals face Birmingham in the Championship on evening .
Adam Federici allowed Alexis Sanchez 's shot to squirm through his legs . His error meant Arsenal advanced to the FA Cup final after extra-time . Reading boss Steve Clarke has backed his goalkeeper to get back on track . The Royals face Birmingham in the Championship on Wednesday night .