Brian Dooher says Tyrone must be more disciplined

The reigning All-Ireland champions have received three red cards in their two Championship games this season, although one of them was later rescinded

Tyrone co-managers Brian Dooher and Feargal Logan. ©INPHO/Tom Maher

Tyrone's All-Ireland title goes on the line in this weekend’s huge derby clash with Armagh, and joint manager Brian Dooher insists all outside influences must be expelled.

The Athletic Grounds will be a deafening cauldron come Sunday afternoon, but in the meantime, all the external noise has to be ignored.