Willie Mason - Teams Played Against
| Team | Games | Tries | Goals | DropGoals | Points | First Game Against | Last Game Against |
|---|---|---|---|---|---|---|---|
| Batley Bulldogs | 1 | 0 | 0 | 0 | 0 | 06 May 2016 | 06 May 2016 |
| Castleford Tigers | 1 | 0 | 0 | 0 | 0 | 28 Mar 2016 | 28 Mar 2016 |
| England Knights | 1 | 0 | 0 | 0 | 0 | 28 Oct 2003 | 28 Oct 2003 |
| France | 2 | 1 | 0 | 0 | 4 | 01 Nov 2000 | 12 Nov 2005 |
| Great Britain | 10 | 3 | 0 | 0 | 12 | 12 Jul 2002 | 04 Nov 2006 |
| Huddersfield Giants | 3 | 0 | 0 | 0 | 0 | 26 Mar 2011 | 14 May 2016 |
| Hull FC | 2 | 0 | 0 | 0 | 0 | 29 Apr 2016 | 25 Jun 2016 |
| Hull Kingston Rovers | 1 | 1 | 0 | 0 | 4 | 07 Apr 2016 | 07 Apr 2016 |
| Leeds Rhinos | 3 | 0 | 0 | 0 | 0 | 09 Apr 2011 | 03 Jun 2016 |
| New Zealand | 12 | 3 | 0 | 0 | 12 | 12 Oct 2002 | 09 May 2008 |
| North Wales Crusaders | 1 | 0 | 0 | 0 | 0 | 13 Mar 2011 | 13 Mar 2011 |
| Papua New Guinea | 1 | 1 | 0 | 0 | 4 | 06 Nov 2000 | 06 Nov 2000 |
| Salford Red Devils | 3 | 0 | 0 | 0 | 0 | 18 Mar 2011 | 23 Apr 2016 |
| South Africa | 1 | 1 | 0 | 0 | 4 | 28 Oct 2000 | 28 Oct 2000 |
| St. Helens | 1 | 0 | 0 | 0 | 0 | 01 Apr 2011 | 01 Apr 2011 |
| Wakefield Trinity | 3 | 0 | 0 | 0 | 0 | 06 Mar 2016 | 16 Jul 2016 |
| Wales | 1 | 0 | 0 | 0 | 0 | 02 Nov 2003 | 02 Nov 2003 |
| Warrington Wolves | 1 | 0 | 0 | 0 | 0 | 12 Mar 2016 | 12 Mar 2016 |
| Widnes Vikings | 1 | 0 | 0 | 0 | 0 | 02 Apr 2016 | 02 Apr 2016 |
| Wigan Warriors | 1 | 1 | 0 | 0 | 4 | 15 Apr 2011 | 15 Apr 2011 |