John Duckworth - Teams Played Against
| Team | Games | Tries | Goals | DropGoals | Points | First Game Against | Last Game Against |
|---|---|---|---|---|---|---|---|
| Batley Bulldogs | 1 | 0 | 0 | 0 | 0 | 22 Apr 1919 | 22 Apr 1919 |
| Bradford Bulls | 1 | 0 | 0 | 0 | 0 | 06 Feb 1915 | 06 Feb 1915 |
| Bramley | 3 | 0 | 3 | 0 | 6 | 17 Apr 1915 | 25 Jan 1919 |
| Broughton Rangers | 1 | 1 | 0 | 0 | 3 | 29 Jan 1910 | 29 Jan 1910 |
| Dewsbury Rams | 1 | 0 | 0 | 0 | 0 | 07 Nov 1914 | 07 Nov 1914 |
| Halifax Panthers | 3 | 0 | 0 | 0 | 0 | 01 Feb 1919 | 20 Sep 1919 |
| Huddersfield Giants | 2 | 1 | 0 | 0 | 3 | 27 Jan 1915 | 26 Apr 1919 |
| Hull FC | 5 | 0 | 1 | 0 | 2 | 13 Feb 1915 | 11 Oct 1919 |
| Hull Kingston Rovers | 4 | 0 | 0 | 0 | 0 | 27 Feb 1915 | 15 Mar 1919 |
| Keighley Cougars | 3 | 3 | 3 | 0 | 15 | 08 Jan 1910 | 27 Sep 1919 |
| Leeds Rhinos | 2 | 0 | 0 | 0 | 0 | 29 Mar 1919 | 04 Oct 1919 |
| Salford Red Devils | 1 | 0 | 0 | 0 | 0 | 13 Sep 1919 | 13 Sep 1919 |
| Swinton Lions | 1 | 0 | 0 | 0 | 0 | 30 Aug 1919 | 30 Aug 1919 |
| Wakefield Trinity | 4 | 1 | 0 | 0 | 3 | 22 Jan 1910 | 23 Aug 1919 |
| Warrington Wolves | 1 | 0 | 0 | 0 | 0 | 20 Feb 1915 | 20 Feb 1915 |
| York Knights | 1 | 0 | 0 | 0 | 0 | 18 Oct 1919 | 18 Oct 1919 |