Career
Downer"s previous clubs include Leyton Orient, Aldershot Town (loan), Weymouth, Grays Athletic, Wivenhoe Town, Rushden and Diamonds and Sutton United. He plays in the centre-back or right-back position. Having played for the West Ham youth academy, Downer, who at the time was playing for Leyton Orient, went on trial with Newcastle United.
However, Bobby Robson decided against signing the 19-year-old Downer, as he had a recurring problem with his left knee that needed an operation.
This has hampered his career and he, at one point, retired from football. In between his "retirement", Downer worked as a bricklayer.
On 26 May 2009, Downer signed a one-year contract to remain at Rushden & Diamonds for the duration of the 2009-2010 season.