As already mentioned in the comments, Dublin named their team for Sunday a bit earlier on and it’s the same one that started in the quarter-final against Fermanagh. For the record, here’s the team they’ve announced:
Dublin (All-Ireland SFC semi-final v Mayo, 30/8/2015): Stephen Cluxton (Parnell); Jonny Cooper (Na Fianna), Rory O’Carroll (Kilmacud Crokes), Philly McMahon (Ballymun Kickhams); James McCarthy (Ballymun Kickhams), Cian O’Sullivan (Kilmacud Crokes), Jack McCaffrey (Clontarf); Brian Fenton (Raheny), Denis Bastick (Templeogue Synge Street); Paul Flynn (Fingallians), Ciaran Kilkenny (Castleknock), Diarmuid Connolly (St Vincents); Dean Rock (Ballymun Kickhams), Paddy Andrews (St Brigids), Bernard Brogan (St Oliver Plunketts/Eoghan Ruadh).
Like ourselves, Dublin have opted not to reveal their list of subs at this stage. And, no more than ourselves, we haven’t the foggiest as to whether or not all the fifteen players they’ve named to line out will actually start the game on Sunday.