Jonathan Parker - Team Mates
| Player | Team | Games | First Game As Team Mates | Last Game As Team Mates |
|---|---|---|---|---|
| Leeds Rhinos | Andrews, William | 1 | 24 Feb 1912 | 24 Feb 1912 |
| Leeds Rhinos | Brooksby, John | 1 | 09 Mar 1912 | 09 Mar 1912 |
| Leeds Rhinos | Dennis, Albert | 1 | 13 Mar 1912 | 13 Mar 1912 |
| Leeds Rhinos | Evans, William | 3 | 24 Feb 1912 | 13 Mar 1912 |
| Leeds Rhinos | Gillie, Charles | 3 | 24 Feb 1912 | 13 Mar 1912 |
| Leeds Rhinos | Godward, Fred | 3 | 24 Feb 1912 | 13 Mar 1912 |
| Leeds Rhinos | Harrison, Fred | 3 | 24 Feb 1912 | 13 Mar 1912 |
| Leeds Rhinos | Haycox, Charles | 3 | 24 Feb 1912 | 13 Mar 1912 |
| Leeds Rhinos | Heaton, Charles | 3 | 24 Feb 1912 | 13 Mar 1912 |
| Leeds Rhinos | Jarman, Billy | 2 | 09 Mar 1912 | 13 Mar 1912 |
| Leeds Rhinos | Northrop, Walter | 1 | 24 Feb 1912 | 24 Feb 1912 |
| Leeds Rhinos | Orchard, Frederick | 1 | 24 Feb 1912 | 24 Feb 1912 |
| Leeds Rhinos | Sanders, Jimmy | 3 | 24 Feb 1912 | 13 Mar 1912 |
| Leeds Rhinos | Sullivan, Fred | 2 | 09 Mar 1912 | 13 Mar 1912 |
| Leeds Rhinos | Wagstaff, Thomas | 3 | 24 Feb 1912 | 13 Mar 1912 |
| Leeds Rhinos | Webster, Fred | 3 | 24 Feb 1912 | 13 Mar 1912 |