Mayo supporting pupils from Scoil Mhuire NS, Stephen Murphy, Ruairí Kernan, Tomás Thornton and Oran Malone surrounded by fellow Dublin supporting pupils on the eve of the All-Ireland football final between Dublin and Mayo. Photograph: Alan Betson

The other 31 counties may be cheering for the underdogs on Sunday. If their more devout supporters are right, Mayo (God help us) can expect divine sym(...)