Career
His position of choice is at Propagation He played for Scotland in the 2013 Rugby League World Cup. Douglas played junior football for the Yamba Eagles and Lower Clarence Magpies.
Douglas made his first grade debut for Cronulla in its season-opener against the Brisbane Broncos in Round 2, 2006.
In 2007, Douglas was selected for Country Origin but withdrew by claiming injury at the request of his club coach, Ricky Stuart. Douglas then played 24 hours later for the In 2010, he was picked as 18th man for the New South Wales State of Origin team for the third match but he didn"t play.
Between his first grade debut in Round 2, 2006 and Round 23, 2014 inclusive he never missed a first grade match through injury or suspension. His run of 215 games straight is the record for most consecutive appearances, and the most from debut.
He surpassed the previous record of 194, held by Jason Taylor, on 10 March 2014 against his former club the His coach, John Cartwright, said his record was, "remarkable, especially playing in the front row, he plays pretty big minutes as well."
His unbroken streak of NRL matches since debut came to an end in August 2014 when he was one of several past and present Sharks players to accept a year-long ban, backdated to 21 November 2013, as part of ASADA"s investigation into the club"s controversial supplements program
On 20 April 2011, it was announced that Douglas had signed a three-year contract with the Gold Coast Titans.