From man-marking conundrums to protecting the D, to getting the ball to the main men, what are the chief problems Kerry, Armagh, Galway, and Donegal must solve at Croke Park this weekend? Éamonn Fitzmaurice assesses the final four.

Just like Jim McGuinness, Jack O’Connor will have plenty of ammo for his video analysis review meeting this week.

A sickener of a defeat against Louth means the Rebels will have to reflect on any progress made this year.

John Cleary's side looked like they'd made real progress this summer before a sickening defeat to Louth on Sunday.

'The Dubs' toilets are blocked and they are not happy. I’m sorry, everything was working perfectly earlier in the week. They will think we planned it. I’m so sorry'

The Kingdom are locked in a series of matches, of the damned-if-you- do and damned-if-you-don’t variety. Win well and the opposition are useless. Don’t blow them away and you are going bad.

As is stands it very hard to get knocked out of the All-Ireland football championship. It's not meant to be like that. A volte face is required. Courage and flexibility as opposed to stubbornness are necessary.

Football Championship Talking Points: Let's wait to see Jim McGuinness' side against one of the top teams in Croke Park before we move them from the capable of taking down a big gun to actual All-Ireland contenders

Salthill on Saturday will tell us a bunch about the Football Championship, about a resurgent Tribe, about Derry and about lessons to take into the knockouts

I’m anticipating really enjoying the Ulster final but there will be plenty who won’t.