By James Black

Celtic were demolished 5-0 by Paris Saint-Germain on Tuesday night in the heaviest home defeat of their proud European history.

Brendan Rodgers’ Bhoys were taught a footballing lesson by the men of PSG, who were not only dominant but also surgically clinical.

Neymar opened the scoring for PSG before Kylain Mbappe and an Edinson Cavani penalty gave PSG a 3-0 half-time lead.

Mikeal Lustig’s own goal and Cavani’s second of the evening topped off an easy night’s work for PSG.

Celtic’s defence had no answer to anything from the super-smooth visitors, who could have seemingly racked up double figures if they had wanted to slip into another gear.

So, what did we learn from this humbling for Celtic? That they’re not as good as their 54-match domestic unbeaten run suggests? Certainly.

But there are three other things we learned from the French demolition job, including how a wonderkid should be promoted from the youth ranks to replace an off-the-boil mainstay:

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