Celtic's Ange Postecoglou details how player nicknamed The Fridge has been one of his hottest properties

A certain sangfroid is required to thrive in the sort of frenzied environment that will be whipped up by a evenly-split 50,000 capacity crowd at Hampden as Celtic and Rangers go at it in this weekend’s Scottish Cup semi-final.

In cool customer Cameron Carter-Vickers, the Celtic manager Ange Posteocoglou possesses precisely that sort of character in the heart of defence. Heck, the 24-year-old centre-back has even acquired from his team-mates the moniker The Fridge … though that might be a reference to the loanee from Tottenham Hotspur sharing a brick outhouse physique with the hulking 1980s American football tackle William Perry who was originally bestowed the sobriquet.

In more ways than one, Carter-Vickers has been the bedrock for a Celtic hoping to convince the US international to sign permanently from the London club in a deal thought to be worth around £6million. His unfussy assurance has allowed him to forge a reliable partnership with Carl Starfelt. Indeed, the pair have never lost a domestic game when in tandem. And the most profound change Postecoglou has presided over re-animating the failing Celtic side he inherited, owes much to composure and conviction that Carter-Vickers fosters on and off the pitch, according to his manager.

"Cam's been great,” said the Australian. “We got him in on deadline day, so for him to be such a consistent performer for us considering he missed all of pre-season and the season had already started by the time we got him in is a credit to him. He's been a fantastic addition to our playing staff, he's also a great person to have in the dressing room. He's really calm and belies his years in the way he conducts himself, he acts like a really experienced player. He's been an important