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Hearts' Pierre Landry Kabore and Celtic's Auston Trusty in action
It's the rematch everyone has been waiting for since May.
Five months on - almost to the day - since Hearts saw history slip from their grasp on a dramatic final day.
They were minutes from being crowned Premiership champions before Celtic managed to just do enough to clinch their fifth championship in succession.
Martin O'Neill is back for another go this season but things aren't entirely going to plan.
Defeats to Rangers in the league and League Cup ramped up the pressure following an epic Champions League collapse against LASK, which condemned them to the Europa League.
They are winless in that after Thursday's 4-1 beating by Benfica and the veteran could do with a result this weekend.
Wouter Vrancken had to pick up the pieces following Derek McInnes' departure to Rangers and after some tough early Euro clashes - in which the Jambos also faced Benfica - the Tynecastle team are looking good.
They are the top scorers in the division and sit third in the table, with some quietly confident they can mount another challenge this term
Here's how the Record Sport team see Sunday's game going.
I’m expecting a goal fest at Parkhead as Hearts return to Glasgow’s east end gunning for revenge. Celtic can’t keep the back door shut against better opposition and the dangerous Jambos will fancy their chances of picking Martin O’Neill’s beleaguered side apart. That said, the green and white legions will demand a response from their Lisbon hammering and this could finally be the day Kasper Hogh ends his goal drought.
Celtic 3 Hearts 2
It will be a big one for Hearts and their fans, as they return to Celtic Park for the first time since last season. The good thing is that much of their squad has changed, so there won't be as much scar tissue. Both teams are coming off gruelling European ties but I do think Hearts will take something against a Celtic team that isn't a patch on last season - at this moment in time!
Celtic 1 Hearts 1
Celtic are shipping goals by the bucket load - almost 20 so far this season - and I expect them to concede again when Hearts come to town. The Jambos got off to a difficult start in Europe but are growing stronger and stronger under Wouter Vrancken and will travel west believing they have the fire power to worry Martin O'Neill's team. Meanwhile, the Hoops seem to have lost their way under their legendary boss and spilled points in this one will only add to the growing sense of frustration swirling around the east end of Glasgow.
Celtic 2 Hearts 2
The two top scoring teams in the league go head-to-head and having seen both sides defensively this season, the smart money isn't on a 0-0. The Hearts' front four has looked as dangerous as any in the country at times this season and while Celtic have been reliant on Camilo Duran, the Jambos give up chances and Kasper Hogh might fancy his chances of ending his goal drought. Expect it to be open and frantic.
Celtic 2 Hearts 3
It feels like the way the wind is blowing, things just are not going to plan for Celtic and Martin O'Neill. Pressure is right back on the boss and his players after a humbling defeat to Benfica in midweek - and Wouter Vrancken will be looking for controlled chaos at Celtic Park. Expect plenty of goals - but the pressure could continue to rise on O'Neill without a win.
Celtic 3 Hearts 3
Celtic are stinging off the back of their latest European humbling and Hearts will smell blood on the water as they look to reassert their credentials as genuine title challengers. The champions' league form, defeat to Rangers aside, has been spotless, but I fancy them to drop points here. I'm confident there will be goals.