As reported by The Daily Record, former Celtic hero John Hartson believes that Rangers can upset the Hoops on Sunday but only if Pedro Caixinha instils them with a defiant mentality.

What's the story?

Hartson has taken part in his fair share of derbies against Rangers in his time, even scoring in a few, so knows exactly what it takes to inspire sides to victory in what is always a hotly contested affair.

He's now lifted the lid on what Rangers need to do to win Sunday's massive Scottish Cup semi-final at Hampden.

Speaking to The Daily Record, Hartson said:

We’ve seen upsets so Rangers will feel they have that mental approach where they need to stop their rivals winning the Treble. That will be in their thoughts. Rangers will feel this is the one where they have to stop Celtic. Everyone has them riding the crest of the wave and Rangers have this one chance to put themselves in the Final and to stop Celtic potentially winning the Treble. That is what all the thinking will be for Rangers – ‘this is the big game and we have to win this’

It remains to be seen whether the Light Blues can tap into that spirit but it's certainly a sound suggestion. In a season when Celtic can make history by winning a treble and going the entire season unbeaten, Rangers have a massive chance to kill two birds with one stone on Sunday.

They may have been off the pace in the league and bested in the League Cup semi-final, but in a one off occasion this Sunday, the Gers need to find that defiant mentality in order to match the Hoops.

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