William Brennan - Teams Played Against
| Team | Games | Tries | Goals | DropGoals | Points | First Game Against | Last Game Against |
|---|---|---|---|---|---|---|---|
| Barrow Raiders | 1 | 0 | 0 | 0 | 0 | 11 Dec 1920 | 11 Dec 1920 |
| Batley Bulldogs | 2 | 0 | 0 | 0 | 0 | 28 Dec 1920 | 26 Mar 1921 |
| Broughton Rangers | 2 | 0 | 0 | 0 | 0 | 18 Dec 1920 | 27 Aug 1921 |
| Dewsbury Rams | 2 | 0 | 0 | 0 | 0 | 23 Oct 1920 | 06 Nov 1920 |
| Halifax Panthers | 2 | 0 | 0 | 0 | 0 | 22 Jan 1921 | 05 Mar 1921 |
| Hull FC | 4 | 0 | 0 | 0 | 0 | 16 Oct 1920 | 02 Mar 1921 |
| Keighley Cougars | 2 | 0 | 0 | 0 | 0 | 28 Mar 1921 | 02 Apr 1921 |
| Leigh Leopards | 4 | 0 | 0 | 0 | 0 | 20 Nov 1920 | 16 Mar 1921 |
| Oldham | 1 | 0 | 0 | 0 | 0 | 01 Jan 1921 | 01 Jan 1921 |
| Rochdale Hornets | 2 | 0 | 0 | 0 | 0 | 13 Nov 1920 | 04 Dec 1920 |
| Salford Red Devils | 1 | 0 | 0 | 0 | 0 | 19 Feb 1921 | 19 Feb 1921 |
| St. Helens | 1 | 0 | 0 | 0 | 0 | 29 Jan 1921 | 29 Jan 1921 |
| St. Helens Recreation | 1 | 0 | 0 | 0 | 0 | 12 Feb 1921 | 12 Feb 1921 |
| Widnes Vikings | 2 | 0 | 0 | 0 | 0 | 25 Dec 1920 | 25 Mar 1921 |
| Wigan Warriors | 1 | 0 | 0 | 0 | 0 | 05 Feb 1921 | 05 Feb 1921 |