WILLIE ISA is looking forward to former team-mate Tommy Leuluai's input as a coach as Wigan Warriors restart their bid to put the brakes on arch-rivals St Helens' Super League domination.
The Warriors won the Challenge Cup last year, with Leuluai figuring in the dramatic 16-14 final win over Huddersfield at the Tottenham Hotspur Stadium (Isa mis