Passing test of nerve will be key in Scottish Premiership title race between Celtic and Rangers as Graeme Souness says players must have 'big b*****ks', while Neil Lennon claims it will come down to Old Firm derbies

CALUM CROWE: For the two Old Firm icons, there comes a point in the season where ability will only take you so far - and it would seem that juncture has now been reached.


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