Donegal's Ciaran Thompson finds the target, and in response, Armagh's number 11 Rory Grugan splits the uprights from range.

However, we're all level again following a free from Donegal's Oisin Gallen.

These two sides couldn't be separated when they met in round four of the league, and on the evidence of what we have seen so far, we're in for another close one today.

Image source, Getty Images

Two converted Conor Turbitt frees see Armagh go ahead for the first time.

Armagh very nearly have a goal, but they must settle for a point!

Oisin Conaty breaks clear of Mark Curran's clutches and launches a strike at goal.

Caolan McGonagle throws his body in front of the shot with an excellent block, but the chance stays.

Rory Grugan crosses the ball to the back post for Jarly Og Burns, but his effort was saved and turned over the bar by Shaun Patton.

In response, Ciaran Thompson points for Donegal.

Jarly Og Burns levels it but Niall O'Donnell restores Donegal's lead.

Image source, Inpho

Donegal have a huge chance to hit the net but Armagh put their bodies on the line to keep it out.

Ciaran Thompson's high ball is fielded by Niall O'Donnell and he lays it off for Kevin McGettigan. He went for goal, but his initial shot was blocked by Oisin Conaty before his rebound was saved low by Blaine Hughes.

Donegal are on the scoreboard after a matter of seconds as Oisin Gallen converts a free.

There is a strong wind at Armagh's backs in this first half, so they will be hoping to take an advantage in at the break.

The ball is thrown in and we are underway at Croke Park.

Time to get out the pens and paper out, because there are changes on both sides.

Armagh have pulled a surprise move with Darragh McMullan being trusted to make his first competitive start at senior level. He's in for Barry McCambridge. Furthermore, Jarly Og Burns replaces Stefan Campbell.

For Donegal, Hugh McFadden has been replaced by Luke McGlynn and Oisin Caulfield drops out for Jason McGee.

The Division Three and Division Four finals took place on Saturday at Croke Park.

Jonathan Lynam scored two goals to help Westmeath to the Division Three title with a 2-10 to 0-13 win over Down.

Lynam netted seven minutes before half-time for Westmeath but Down held a narrow 0-8 to 1-4 lead in Dublin.

The game was finely poised with 10 minutes to play before Lynam fired home his second goal of the evening.

The result means Down miss out on the Division Three title despite finishing two points ahead of Westmeath.

Earlier, Laois had hammered Leitrim by 3-14 to 0-9 to lift the Division Four title.

Read more here.

Image source, Inpho

Both Armagh and Donegal have made plenty of changes to their line-ups for the decider..

Jason Duffy, Rian O'Neill and Tiernan Kelly were given starts against Cork last time out, but they drop out for Aidan Forker, Stefan Campbell and Andrew Murnin, who were regular starters during the league campaign.

Connaire Mackin came off injured in that game and he's replaced by his younger brother Ciaran.

Donegal have made five changes to the team which defeated Meath 1-18 to 1-10 last weekend.

There's bad news for Donegal fans, as their talisman Paddy McBrearty misses out through injury, and he is replaced by Niall O'Donnell.

Daire O Baoill, Stephen McMenamin, Jamie Brennan and Ryan McHugh also drop out with Caolan McColgan, Michael Langan, Oisin Caulfield and Kevin McGettigan coming in.

McHugh carries an injury into today's game, but he is listed on the substitutes bench, so may play some part.

Keep an eye on this page for any late changes!

Armagh: B Hughes; P Burns, A McKay, P McGrane; G McCabe, Forker, B McCambridge; C Mackin, B Crealey; S Campbell, R Grugan, J McElroy; C Turbitt, A Murnin, O Conaty.

Donegal: S Patton; M Curran, C Moore, C McColgan; K McGettigan, C McGonagle, S O'Donnell; H McFadden, M Langan; P Mogan, C Thompson, O Caulfield; A Doherty, O Gallen, N O'Donnell.

Image source, BBC Sport

Good afternoon and welcome to our coverage of the Allianz Football League Division One and Division Two finals at Croke Park.

First up at 13:45 BST, Ulster rivals Armagh and Donegal, who both ended the league season unbeaten, meet in the Division Two decider.

Then at 16:00 BST, All-Ireland holders Dublin face Derry in the Division One final.

We will have live text commentary of both the games so sit back and enjoy, it promises to be an exciting afternoon.

Image source, Inpho