Liverpool is top of the Premier League and the Champions League at the moment but Arne Slot's men can still get even better. And the Reds boss has pinpointed one thing he wasn't please with during the win over Lille.

Mohamed Salah opened the scoring with his 50th European goal for Liverpool before Jonathan David equalized out of the blue for the 10-man visitor, who had Aissa Mendi sent off for a second bookable offense in the second half. Harvey Elliott then popped up with a goal via a deflection to put his side back in front again.

A late Barcelona comeback prevented Liverpool from securing top spot in the group phase with a game to spare. But the Reds will finish inside the top two spots and can come top by drawing with or beating PSV next week.

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"We didn't force a pass; we just kept the ball for as long as we could," Slot said during his post-match press conference. "The only thing I wasn't happy about is that not for the first time in recent weeks, it was one chance for the other team and a goal. That's maybe a phase of the season we are in at the moment."

Liverpool set a new club record for the longest spell without conceding a goal in Europe in the game. There were 597 minutes between Christian Pulisic's goal away at AC Milan on matchday one and David's strike past Alisson Becker here.

"Where I put everything down to first of all [is] the quality of the players, and second of all these quality players have an incredible work rate," Slot said. "If you combine those two things, it's very difficult to score against the team. Apart from that, there were also games, I think when I look back at Girona, for example, they created quite a few chances. Alisson was fantastic back then.

"The nice thing for me is that we keep clean sheets not by defending a lot, we keep clean sheets by attacking a lot. That makes it even nicer than if we were all the time in a low block kicking every ball away and don't take any risks in build-up and then keep a clean sheet. It's still nice. But I prefer it like this, and I think the fans prefer it like this as well."

Liverpool.com says: Slot is a perfectionist and all the best coaches are. It would have been frustrating for Virgil van Dijk and his defenders to concede and lose the clean sheet against Lille but Liverpool was in control anyway and it didn't ultimately matter.