Scottish Cup final: Celtic captain Callum McGregor on penalty miss

When it comes to winning trophies, though, Celtic and particularly McGregor have operated quite like robots. Play, win, celebrate. Play, win, celebrate. On repeat.

McGregor has championed the need to celebrate each and every trophy, no matter how routine they've become over the years.

In recent times, it could be perceived he was forcing the enjoyment, but there was no forcing his disappointment on Saturday.

The former Scotland international wept on the shoulder of back-up goalkeeper Scott Bain. Then Rodgers. Then assistant manager John Kennedy. And anyone else who was offering consolation.

It was a sight never seen before from the previously indomitable 31-year-old, but he had just scuffed his spot-kick. Alistair Johnston soon followed suit and the treble dream was dead.

"The worst moment I've ever had in football," McGregor said.

"It was a real sore one. I just need to go away and try and go over it and come back next year and be stronger."

In the past that's proved to be a scary statement. And a true one at that. You get the sense he, and his team-mates, will want to prove it so even more next season.

"It's a tough moment, but I've had tough moments before," he added. "This is the toughest one when you take everything into consideration.

"It'll take me a while to get over it, but once the new season starts, then that's up to me to show everyone that I've got a bit of steel."

A scary prospect for the rest of Scottish football. But after today, Scottish football can believe in miracles.

Click here to read article