| Name | Jack Duncan |
| Date of birth | 19/04/1993 |
| Nationality | Australian |
| Position | Goalkeeper |
| More info | Unavailable |
| Team | Appearances | Goals | Yellow cards | Red cards |
| Newcastle Jets | 46 | 0 | 0 | 0 |
| Perth Glory | 7 | 0 | 0 | 0 |
| Match Type | Appearances | Goals | Yellow cards | Red cards |
| FFA Cup | 1 | 0 | 0 | 0 |
| League | 51 | 0 | 0 | 0 |
| A-League Finals | 1 | 0 | 0 | 0 |
| # | Player | Appearances on the same team | Team(s) |
| 1. | Steven Ugarkovic | 43 | Newcastle Jets |
| 2. | Jason Hoffman | 39 | Newcastle Jets |
| 3. | Andrew Nabbout | 36 | Newcastle Jets |
| 4. | Wayne Brown | 35 | Newcastle Jets |
| 5. | Nigel Boogaard | 34 | Newcastle Jets |
| 6. | Ben Kantarovski | 28 | Newcastle Jets |
| 7. | Nick Cowburn | 25 | Newcastle Jets |
| 8. | Ivan Vujica | 24 | Newcastle Jets |
| Andrew Hoole | 24 | Newcastle Jets | |
| 10. | Lachlan Jackson | 23 | Newcastle Jets |
| Johnny Koutroumbis | 23 | Newcastle Jets |
| Team | Date | Match Type | Result | Goals | Bookings | On | Off | Notes |
| Newcastle Jets | 19/11/2011 | League | Newcastle Jets 1-2 Brisbane Roar | 51' | Full time | |||
| Perth Glory | 9/03/2014 | League | Wellington Phoenix 1-1 Perth Glory | Kick off | Full time | |||
| 15/03/2014 | League | Perth Glory 1-2 Melbourne Victory | Kick off | Full time | ||||
| 23/03/2014 | League | Western Sydney Wanderers 3-0 Perth Glory | Kick off | Full time | ||||
| 30/03/2014 | League | Perth Glory 2-1 Newcastle Jets | Kick off | Full time | ||||
| 5/04/2014 | League | Perth Glory 3-1 Central Coast Mariners | Kick off | Full time | ||||
| 13/04/2014 | League | Sydney FC 2-1 Perth Glory | Kick off | Full time | ||||
| 22/03/2015 | League | Central Coast Mariners 1-1 Perth Glory | Kick off | Full time | ||||
| Newcastle Jets | 9/10/2016 | League | Newcastle Jets 1-1 Adelaide United | Kick off | Full time | |||
| 16/10/2016 | League | Newcastle Jets 4-0 Brisbane Roar | Kick off | Full time | ||||
| 23/10/2016 | League | Western Sydney Wanderers 2-2 Newcastle Jets | Kick off | Full time | ||||
| 29/10/2016 | League | Newcastle Jets 0-2 Sydney FC | Kick off | Full time | ||||
| 5/11/2016 | League | Wellington Phoenix 2-0 Newcastle Jets | Kick off | Full time | ||||
| 10/11/2016 | League | Melbourne City FC 2-1 Newcastle Jets | Kick off | Full time | ||||
| 20/11/2016 | League | Newcastle Jets 1-1 Central Coast Mariners | Kick off | Full time | ||||
| 26/11/2016 | League | Melbourne Victory 2-0 Newcastle Jets | Kick off | Full time | ||||
| 4/12/2016 | League | Newcastle Jets 0-2 Sydney FC | Kick off | Full time | ||||
| 10/12/2016 | League | Perth Glory 1-2 Newcastle Jets | Kick off | Full time | ||||
| 16/12/2016 | League | Newcastle Jets 2-1 Adelaide United | Kick off | Full time | ||||
| 26/12/2016 | League | Newcastle Jets 2-2 Wellington Phoenix | Kick off | Full time | ||||
| 2/01/2017 | League | Melbourne Victory 4-2 Newcastle Jets | Kick off | Full time | ||||
| 7/01/2017 | League | Brisbane Roar 2-3 Newcastle Jets | Kick off | Full time | ||||
| 15/01/2017 | League | Newcastle Jets 2-2 Perth Glory | Kick off | Full time | ||||
| 22/01/2017 | League | Western Sydney Wanderers 2-0 Newcastle Jets | Kick off | Full time | ||||
| 27/01/2017 | League | Newcastle Jets 2-1 Melbourne City FC | Kick off | Full time | ||||
| 4/02/2017 | League | Perth Glory 3-2 Newcastle Jets | Kick off | Full time | ||||
| 13/02/2017 | League | Newcastle Jets 0-0 Melbourne Victory | Kick off | Full time | ||||
| 17/02/2017 | League | Adelaide United 1-0 Newcastle Jets | Kick off | Full time | ||||
| 18/03/2017 | League | Melbourne City FC 4-0 Newcastle Jets | Kick off | Full time | ||||
| 26/03/2017 | League | Wellington Phoenix 5-0 Newcastle Jets | Kick off | Full time | ||||
| 1/04/2017 | League | Newcastle Jets 0-3 Western Sydney Wanderers | Kick off | Full time | ||||
| 9/04/2017 | League | Central Coast Mariners 2-0 Newcastle Jets | Kick off | Full time | ||||
| 15/04/2017 | League | Sydney FC 2-0 Newcastle Jets | Kick off | Full time | ||||
| 9/08/2017 | FFA Cup | Adelaide United 1-0 Newcastle Jets | Kick off | Full time | ||||
| 7/10/2017 | League | Central Coast Mariners 1-5 Newcastle Jets | Kick off | Full time | ||||
| 15/10/2017 | League | Newcastle Jets 2-2 Perth Glory | Kick off | Full time | ||||
| 22/10/2017 | League | Brisbane Roar 1-2 Newcastle Jets | Kick off | Full time | ||||
| 29/10/2017 | League | Newcastle Jets 1-1 Western Sydney Wanderers | Kick off | Full time | ||||
| 4/11/2017 | League | Newcastle Jets 3-0 Wellington Phoenix | Kick off | Full time | ||||
| 11/11/2017 | League | Adelaide United 1-2 Newcastle Jets | Kick off | Full time | ||||
| 18/11/2017 | League | Sydney FC 2-1 Newcastle Jets | Kick off | Full time | ||||
| 20/01/2018 | League | Newcastle Jets 2-3 Wellington Phoenix | Kick off | Full time | ||||
| 25/01/2018 | League | Melbourne City FC 2-2 Newcastle Jets | Kick off | Full time | ||||
| 3/02/2018 | League | Newcastle Jets 2-0 Melbourne Victory | Kick off | Full time | ||||
| 16/02/2018 | League | Western Sydney Wanderers 2-2 Newcastle Jets | Kick off | Full time | ||||
| 24/02/2018 | League | Brisbane Roar 0-1 Newcastle Jets | Kick off | Full time | ||||
| 3/03/2018 | League | Newcastle Jets 2-1 Sydney FC | Kick off | Full time | ||||
| 17/03/2018 | League | Wellington Phoenix 0-1 Newcastle Jets | Kick off | Full time | ||||
| 23/03/2018 | League | Adelaide United 5-2 Newcastle Jets | Kick off | Full time | ||||
| 1/04/2018 | League | Newcastle Jets 0-3 Melbourne City FC | Kick off | Full time | ||||
| 6/04/2018 | League | Newcastle Jets 0-2 Perth Glory | Kick off | Full time | 50th appearance in the A-League | |||
| 14/04/2018 | League | Central Coast Mariners 2-8 Newcastle Jets | Kick off | Full time | ||||
| 27/04/2018 | A-League Finals | Newcastle Jets 2-1 Melbourne City FC | Kick off | 28' |