Paris Saint-Germain had last played in front of a full Parc des Princes on February 29 last year, a 4-0 win over Dijon. It's unlikely many fans in attendance on that day would have contemplated the idea of Lionel Messi being present upon their next visit.
Yet despite Messi not actually being involved, his presence was certainly felt.
The Barcelona great – like the rest of PSG's new signings – was paraded on the pitch before kick-off of Saturday's visit of Strasbourg, simultaneously setting fans' tongues wagging and surely leaving Ligue 1 defenders quaking in their boots, if they weren't already.
As Messi stood there with a big grin on his face, arm around Sergio Ramos of all people, the sheer nonsense of the situation just set in a little more. Previously two pillars of arguably the most famous rivalry in world football, now they're both party to the same 'galactico' project in Paris.
Understandably, the pre-match show helped stir up an incredible atmosphere, and it all seemed to rub off on the players as well, with PSG 3-0 up inside 27 minutes.
But if there was one thing PSG's eventual 4-2 victory suggested, it was that Ramos' arrival is arguably the more important of the two transfers.
After all, Messi wasn't the only one of their soon-to-be first-choice front three absent; Neymar was sat up in the stands next to him, owing to lack of fitness following his Copa America exploits.
But they still had Kylian Mbappe out strutting his stuff, seemingly relishing all eyes being on him, the France superstar tormenting the Strasbourg defence relentlessly with his direct running and astonishing pace.
Perhaps it was a taste of what life might be like at Real Madrid should he choose not to renew in Paris; he was the main man and the star of the show, whereas he'll soon have to share the spotlight with not just Neymar but his old Barcelona pal as well.
That's not to say Mbappe looked anything other than focused on where he was, in what was his 150th Ligue 1 appearance.
Soon after Mauro Icardi – another big name, though one who'll likely be reduced to a back-up role – nodded PSG in front in just the third minute, Mbappe carved open the Strasbourg defence with a disguised pass in from the left, though it was ultimately a little too deceptive as it even caught Georginio Wijnaldum flat-footed.
He was then in the thick of the action as PSG went 2-0 up, cutting in from the left and hammering a ferocious effort that went in off Ludovic Ajorque, and Mbappe did much of the damage to make it 3-0, too.
Stepover. Shimmy. Another stepover and then an explosion of pace. He made himself the tiniest bit of space to squeeze a left-footed cross into the danger zone and Julian Draxler was on hand to tap in.
Mbappe somehow failed to add another himself, shooting at Matz Sels twice after the break. The second of which, in the 62nd minute, was a particularly strong opportunity with an expected goals (xG) value of 0.35 – the one he created for Draxler was 0.90.
By that point Strasbourg had already been given some encouragement, with Kevin Gameiro capitalising on the shoddy awareness of Achraf Hakimi and Thilo Kehrer in the 53rd minute to ghost between them and head in.
Then, swiftly after Mbappe's second miss, Ajorque made a mockery of Presnel Kimpembe as he slashed the deficit to one goal with an emphatic header that also left Keylor Navas helpless.
For a significant part of the second half, Strasbourg looked the better team. PSG had seemingly become comfortable with their lead and that complacency was being capitalised on by the visitors.
But two yellow cards in quick succession for Alexander Djiku essentially spelled game over for Strasbourg, and PSG made it 4-2 soon after through Pablo Sarabia.
Majeed Waris should have pulled one back, his shot into the side-netting seeing him waste a chance with an xG value of 0.38, making it the worst miss of the day.
Mauricio Pochettino's men ultimately survived this scare, but their second-half drop-off will have been a real worry for the head coach and his staff – had Strasbourg got the score back to 3-3, it would have been utterly humiliating.
While this was of course a PSG without Marquinhos, their defensive frailty and seeming arrogance when thinking the game was won had Ramos' signing looking like an absolute necessity.