The Ulster Championship has already thrown up a shock this weekend after Cavan beat Monaghan and now it's Derry and Armagh who will clash at Celtic Park today.
The Orchard are coming into this one off the back of winning promotion to Division 1 and travel to take on an Oak Leaf side that narrowly missed out on promotion to the second tier.
But all that goes out the window once the Championship throws in and we've already seen a few surprise results in hurling and football this weekend.
Here's a look at some of the key info ahead of Derry v Armagh.
Where and when is it?
The match takes place at Celtic Park in Derry on Sunday, November 1.
What time is throw-in?
The match throws in at 4pm.
What TV channel is it on?
The match is being shown live on BBC 2 NI and on the BBC Player.
Those watching from outside Ireland can watch it on GAAGO.
You can also keep up to date with all the action on Irish Mirror Sport's live blog.
Betting Odds
Derry 2/1
Draw 15/2
Armagh 4/7
