Tommy Martin: Donegal must be ready for a Rory reckoning 

 Derry manager Rory Gallagher walks out before the Ulster GAA Football Senior Championship Quarter-Final match between Tyrone and Derry at O'Neills Healy Park in Omagh, Tyrone. Photo by David Fitzgerald/Sportsfile

HE’S not the world’s most physical guy but Rory Gallagher has been lining up Donegal for an almighty shoulder charge for some time now.

There are several reasons why the Derry manager might want not just to defeat Sunday’s Ulster final opponents, but to metaphorically launch them into the back row of the Gerry Arthurs Stand in Clones.