Colm Keys: All-Ireland SFC countdown – Ulster three-in-a-row a rare feat but it’s within Donegal’s grasp

Over the last 70-plus years, Dublin have put together sequences of three, four, five and six successive Leinster football titles, prior to embarking on a 14-year unbeaten run in the province before Meath upended them 12 months ago. In that same period, Offaly and Meath have accumulated a trio of successive Leinster titles at some stage.