GAA Preview: John Lynch looks ahead to this weekend’s National Football League action

It's yet another busy weekend of action in the Allianz National Football League.

With Round Five of the competition playing host to a number of crucial fixtures for North West sides. Tyrone face All Ireland champions in Healy Park, Derry face a long trip down to Cork and Donegal take on Monaghan in Fr Tierney Park, Ballyshannon.

Tom Comack was joined by Tyrone All-Star defender John Lynch to preview the weekend's action...