There are three games down for decision in Division 1A of the National Football League today, and Dublin travel to take on Tyrone, with Paul Caffrey hoping to continue his tenure as Metropolitans' boss with a win over the northerners.
Caffrey has kept faith with the same side that defeated Mayo last Saturday for today.
Peadar Andrews retains his left half-back place, having replaced Barry Cahill, who was originally selected but aggravated a knee injury in the intervening period.
Former dual star Conal Keaney has been added to the bench. Conor Gormley returns at the expense of Brendan Donnelly in the only change in the Red Hand line-up.
Home advantage should give All-Ireland finalists Mayo their first points of the campaign against Donegal after their defeat to the Dubs last week.
Trevor Mortimer returns for the westerners, the forward is currently studying in Leeds, but will return home for today's match, while goalkeeper Fintan Ruddy has been dropped from the panel following last week's defeat.
Donegal make two changes - Ryan Bradley and Karl Lacey replace Damien Diver and Stephen McDermott, who are both ruled out because of injury.
Cork got the perfect start last week with a fine win over old rivals Kerry and boss Billy Morgan has named Martin Cronin at full-back for today's clash against Leinster champions Westmeath in Mullingar.
The Nemo Rangers club man usually plays in the half-back line and held down the left wing-back berth against Kerry.
Derek Kavanagh moves to midfield and Dermot Hurley drops to the bench. In the only other change to the side that beat the Kingdom, Eoin Sexton returns to fill Cronin's left half-back berth.
Meanwhile, Westmeath will look to bounce back after their disappointing defeat to Offaly last week.
The big news in the Lakes County panel concerns the return of Martin Flanagan - the Tyrellspass man has been named on the bench.
Paidi O Se has made just one change from the side that lost out to Offaly.
Alan Lambden replaces defender Derek Heavin, who picked up a hamstring injury.
TYRONE (SF v Dublin): P McConnell; R McMenamin, C Lawn, E Bradley; B Robinson, G Devlin, C Gormley; B Meehan, P Donnelly;, B Dooher (capt), S O'Neill, S Cavanagh; M Coleman, O Mulligan, R Mellon.
DUBLIN (SF v Tyrone): S Cluxton; P Griffin, P Christie, S O'Shaughnessy; P Casey, B Cullen, P Andrews; C Whelan, S Ryan; D Henry, J Sherlock, S Connell; D O'Callaghan, R Boyle, T Quinn.
MAYO (SF v Donegal): D Clarke; K Higgins, P Kelly, L O’Malley; G Mullins, J Nallen, P Gardiner; BJ Padden, J Kilcullen; J Gill, C McDonald, A Kilcoyne; C Mortimer, A Dillon, J Prenty.
DONEGAL (SF v Mayo): M Boyle; M McCready, R Sweeney, K Lacey; E McGee, B Monaghan, S Carr;, N Gallagher, K Cassidy;, C Toye, B Roper, R Bradley; R Kavanagh, C McFadden, S Cassidy.
CORK (SF v Westmeath): K O'Dwyer; N Geary, M Cronin, A Lynch; N O'Leary, S Levis, O Sexton; N Murphy, D Kavanagh; C O'Riordan, C McCarthy, K MacMahon; J Masters, BJ O'Sullivan, J Hayes.
WESTMEATH (SF v Cork): G Connaughton; J. Davitt, D. O’Donoghue, J Keane; M Ennis, D Kilmartin, A Lambden; R O'Connell, J Brennan; J Fallon, D Mitchell, C Galligan; A Mangan, D Glennon, D Dolan.