Jack Carleton Duncan (born 19 April 1993) is an Australian goalkeeper who plays for A-League club Newcastle Jets.
Club Career
Newcastle Jets
In 2010 Duncan signed for A-League club Newcastle Jets from NSW Premier League side Sutherland Sharks. He made his professional debut in the 2011-12 A-League season on 19 November 2011, in a round 7 clash against Brisbane Roar.
Perth Glory
On 2 May 2013, Duncan joined Perth Glory.
Randers FC
On 15 May 2015, Duncan signed a 2-year deal with Randers FC. He made his Danish Superliga debut on 16 May 2016 for the club in a 3–2 away victory over Viborg FF. In June 2016, Duncan asked to be released from his second contracted year with Randers FC because there was no indication to him becoming first choice.
Return to Newcastle Jets
On 24 June 2016, Duncan returned to Newcastle Jets, signing a 2-year deal.
Paris Saint Germain 
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