William Knapp - Team Mates
| Player | Team | Games | First Game As Team Mates | Last Game As Team Mates |
|---|---|---|---|---|
| Bradford Bulls | Craven, Brace | 1 | 18 Jan 1919 | 18 Jan 1919 |
| Bradford Bulls | Dobson, Len | 1 | 18 Jan 1919 | 18 Jan 1919 |
| Bradford Bulls | Hardaker, John | 1 | 18 Jan 1919 | 18 Jan 1919 |
| Bradford Bulls | Holmes, Fred | 1 | 18 Jan 1919 | 18 Jan 1919 |
| Bradford Bulls | Jones, Jack | 1 | 18 Jan 1919 | 18 Jan 1919 |
| Bradford Bulls | Lawford, John | 1 | 18 Jan 1919 | 18 Jan 1919 |
| Bradford Bulls | Lockwood, John | 1 | 18 Jan 1919 | 18 Jan 1919 |
| Bradford Bulls | Myers, Robert | 1 | 18 Jan 1919 | 18 Jan 1919 |
| Bradford Bulls | Steward, David | 1 | 18 Jan 1919 | 18 Jan 1919 |
| Bradford Bulls | Walton, Robert | 1 | 18 Jan 1919 | 18 Jan 1919 |
| Bradford Bulls | Wilson, Joe | 1 | 18 Jan 1919 | 18 Jan 1919 |
| Bradford Bulls | Wormald, Thomas | 1 | 18 Jan 1919 | 18 Jan 1919 |