A number of Liverpool supporters have criticised Sadio Mane's first-half performance in the Champions League group stage clash with Porto.

The Reds are back in European action this evening, on what is another important night in Group B.

Jurgen Klopp's side beat AC Milan in another Champions League classic earlier this month and this is a golden opportunity for them to build on that victory.

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Another three points in Portugal would put Liverpool in pole position to reach the knockout stages, but it is a tricky occasion against a deep-lying defence, even despite Mohamed Salah's opening goal.

Mane hasn't been at his best so far this season and that continued in the opening 45 minutes in Portugal, at least judging by what the supporters have had to say, despite him scoring on the night.

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Liverpool fans react to Mane performance

These Liverpool fans took to Twitter to react negatively to Mane's first-half showing.

"Mane slander everywhere"

Credit: @__DavidLFC

"Sooner Mane wakes up the better"

Credit: @nathanw94258962

"Mane is finished"

Credit: @Lfcatharv

"Jota Fatty Salah against City. Let Mane nowhere near the XI"

Credit: @capetby

"Mane is so out of form it’s ridiculous"

Credit: @HamK_

"Mane complete one simple pass challenge"

Credit: @CloudyLennonade

In other news, some Liverpool fans are excited about one transfer rumour that has emerged. Read more here.