The first meeting between Celtic and Hearts since the two clubs squared up to each other in the final day William Hill Premiership decider at Parkhead back in May will hold more than a passing interest for Paul Hartley on Sunday.
Hartley enjoyed successful spells at both during his playing days and he is intrigued to see which of them, the Scottish champions or their resurgent Edinburgh rivals, emerges triumphant from their rematch in the East End of Glasgow.
