Donegal Manager Jim McGuinness has made two changes to his provisional starting XV as the countdown is on to throw-in at Croke Park.
Hugh McFadden and Caolan McColgan will step into the Donegal side which will face Monaghan at 4pm at GAA headquarters.
They will replace Jason McGee and Daire Ó Baoill in the Donegal team which will be aiming to reach their second-consecutive All-Ireland Semi-Final.
Meanwhile for Monaghan there are also two changes to their lineup ahead of the start, with Ciaran McNulty in for Jack McCarron and Gary Mohan in for Gavin McPhillips.
The game NOT be shown on TV but will be streamed live via GAA+