When Celtic can win the title and what Rangers need to happen to stop it

Celtic moved yet another step closer to reclaiming the Premiership title on Sunday.

A trip to Ross County widely billed as a potential banana skin was comfortably navigated following the disappointment of losing last weekend's Scottish Cup semi-final to Rangers.

Ange Postecoglou dismissed the notion his side needed to regain momentum in the wake of their Hampden woe after watching goals from Kyogo and Jota keep the title dream well on track.

It was a victory that restored Celtic's six point advantage over their city rivals with four matches left to play.

The league trophy has moved tantalisingly close and could effectively all be over by next Sunday evening.

Celtic will host Rangers knowing that victory will extend the gap to nine points with only nine left to play for.

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And when you factor in Celtic's hugely superior goal difference - they are 19 clear of the current champions - that functions almost like an extra point for Postecoglou's team.

Should they beat Rangers, Celtic would simply need to avoid defeat at home to Hearts on May 7 to achieve the mathematical certainty that would put the green and white ribbons on the trophy.

If the gap remains at six following the derby, a win against Hearts