The 10 best free transfers in the Premier League ever: Chelsea snap up the most bargains in shrewd deals

Mark Schwarzer – Middlesbrough to Fulham

The Australian left Middlesbrough in 2008 when they slipped down to the Championship, though at first Fulham fans felt he was too old to make an impact. However, they couldn’t have been more wrong as the Australian stopper chalked up over 172 appearances for the club in a five-year stretch.