Three key matchups in Donegal and Meath's All-Ireland SFC semi-final

Should Meath start to regularly score two-pointers against Donegal, the question will be whether Jim McGuinness's side start to press or continue to trust their plan. 

Stopping the attacking threat of Michael Langan will be key to Meath's chances against Donegal. Pic: Daire Brennan/Sportsfile

The midfield monsters 

Sunday is set to be defined by big men. Donegal start with Hugh McFadden and Michael Langan. Jason McGee will inevitably be called upon. Bryan Menton and Adam O’Neill are named to line out for Meath but the enormous pair that is Conor Gray and Cian McBride both came on in their quarter-final triumph last time out.