The Celtic skipper knows the challenge that lies ahead for the Bhoys tomorrow as they take on an Aberdeen side who, just like the Celts, remain undefeated domestically so far this season.

The Dons managed to snatch a point at Celtic Park a few weeks ago after trailing 2-0 at half time, and Callum McGregor reckons that that match was a good example of the standard that his side will need to be at tomorrow afternoon.

“We knew that they had had a great start to the season,” he said. “And obviously coming to Celtic Park we’ll try to dominate the game and get a positive result.

“I think on the day they showed their quality and resilience and that clinical edge that’s given them such a good start.

“So we’re under no illusions that tomorrow will be a tough game. We have to bring our level and match their intensity and how hard they want to work.

“The prize is the same for both teams and we’ll both be desperate to get there.”

With an extraordinary honours list which includes no fewer than 22 winners’ medals, Callum McGregor is no stranger to the big stage.

To perform and win consistently at the highest level requires an elite attitude and, ahead of tomorrow’s semi-final, Callum McGregor gave a glimpse of his own winning mindset.

He added: “Semi-finals and finals are where you want to be as a football player.

“The feeling never changes or diminishes, and every competition that’s up for grabs, I want to win.

“When you get to these days, you’ve got to maximise the opportunity of being there and complete your objective which, tomorrow, is to be in the final.”

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Callum McGregor: I want to win every competition that's up for grabs