Robert Mortimer - Teams Played Against
| Team | Games | Tries | Goals | DropGoals | Points | First Game Against | Last Game Against |
|---|---|---|---|---|---|---|---|
| Askam | 1 | 0 | 0 | 0 | 0 | 26 Feb 1921 | 26 Feb 1921 |
| Barrow Raiders | 1 | 1 | 0 | 0 | 3 | 06 Dec 1919 | 06 Dec 1919 |
| Batley Bulldogs | 4 | 1 | 0 | 0 | 3 | 15 Feb 1919 | 11 Sep 1920 |
| Bramley | 3 | 1 | 0 | 0 | 3 | 01 Mar 1919 | 29 Mar 1921 |
| Broughton Rangers | 1 | 0 | 0 | 0 | 0 | 06 Nov 1920 | 06 Nov 1920 |
| Dewsbury Rams | 5 | 0 | 0 | 0 | 0 | 08 Mar 1919 | 19 Feb 1921 |
| Halifax Panthers | 5 | 0 | 0 | 0 | 0 | 22 Feb 1919 | 20 Nov 1920 |
| Huddersfield Giants | 4 | 2 | 0 | 0 | 6 | 27 Sep 1919 | 09 Apr 1921 |
| Hull FC | 4 | 0 | 0 | 0 | 0 | 13 Dec 1919 | 19 Mar 1921 |
| Hull Kingston Rovers | 5 | 0 | 0 | 0 | 0 | 22 Nov 1919 | 29 Jan 1921 |
| Hunslet | 3 | 1 | 0 | 0 | 3 | 01 Nov 1919 | 12 Feb 1921 |
| Keighley Cougars | 4 | 0 | 0 | 0 | 0 | 25 Oct 1919 | 05 Feb 1921 |
| Leeds Rhinos | 3 | 0 | 0 | 0 | 0 | 06 Sep 1919 | 22 Jan 1921 |
| Leigh Leopards | 1 | 0 | 0 | 0 | 0 | 02 Apr 1921 | 02 Apr 1921 |
| Oldham | 2 | 0 | 0 | 0 | 0 | 21 Feb 1920 | 23 Feb 1920 |
| Rochdale Hornets | 3 | 0 | 0 | 0 | 0 | 25 Dec 1919 | 28 Mar 1921 |
| Salford Red Devils | 1 | 0 | 0 | 0 | 0 | 20 Sep 1919 | 20 Sep 1919 |
| St. Helens | 2 | 0 | 0 | 0 | 0 | 02 Oct 1920 | 18 Dec 1920 |
| St. Helens Recreation | 2 | 0 | 0 | 0 | 0 | 30 Aug 1919 | 28 Jan 1920 |
| Swinton Lions | 2 | 0 | 0 | 0 | 0 | 13 Nov 1920 | 12 Mar 1921 |
| Wakefield Trinity | 4 | 0 | 0 | 0 | 0 | 12 Apr 1919 | 11 Dec 1920 |
| York Knights | 4 | 2 | 0 | 0 | 6 | 04 Oct 1919 | 23 Apr 1921 |