They’re probably already sick of the sight of one another in their day jobs.
And with three more Old Firm squabbles to be settled before the season comes to a close, there’s a very good chance they’ll end up at each other's throats before they take a bit of time out for the summer. But, for the next few days at least, Ryan Jack and Callum McGregor can call a truce on their ongoing domestic feuds to pull together for the sake of the nation. Again.
The fiery Rangers lynchpin and the ice cold captain of Celtic might make the oddest couple in Scottish football but the relationship they have forged together at the heart of Steve Clarke’s engine room has already driven this country to one major finals. And now they are about to team up to begin plotting the next big Euro road trip all the way to the next one in Germany.