Liverpool in order to progress past PSG in the last-16, despite and late winner which squeezed past Gianluigi Donnarumma.

Alisson made nine saves and produced a perfect performance in Paris. Luis Enrique and .

"I don’t think the tie is over," Merson said on Sky Sports. "If PSG can get to anywhere near those levels at , they will score. But, you know, European nights at Anfield.

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"I just can’t get my head around that result. They were unbelievable, PSG, and Liverpool have gone on and won, but I can’t wait for the next leg. It will be an outstanding, intriguing game."

Liverpool and PSG are among the best teams in the competition, alongside . And with a performance like that still leading to a win, Merson was also asked if it now feels like the Reds' name might just be on the trophy.

"Too early to say," Merson added. "If they play like that in other games... they could have been blown away. Alisson was 10 out of 10."

"We were not under par," insisted during his post-match press conference. "It’s purely the quality of Paris Saint-Germain and the way they’ve played this whole season.

"I can say it one more time, all of the underlying stats show you that they were the best team in Europe until now — except for the league table, but they’ve had Arsenal, they’ve played , they’ve played Atletico Madrid and they’ve played Manchester City and they still have the best underlying stats.

"They showed today — and I already knew it but the players saw it today as well, and our fans and all of England — that Luis Enrique made an incredible team here after three [transfer] windows.

"There is so much pace, so much work rate, so much quality in the midfield, how they handle the ball. So, it was an unbelievable challenge for us to get away here with a result and we know it’s going to be a hard one in a week."

Liverpool.com says: The tie is definitely not over yet and PSG will be desperate to complete a comeback. Liverpool, though, has two major advantages: it leads by a goal, and has the home crowd on its side too. The Reds were marginal favorites to go through before a ball was kicked and that is only more likely after the incredible result in the first leg.