Liverpool legend Jamie Carragher Photo: Sky Sports

Jamie Carragher hailed Liverpool FC’s impressive return to the Champions League knockout sage after Wednesday night’s commanding 5-0 win at Porto in the first leg of their last-16 clash.

The Reds finished top of their pool ahead of Sevilla, Spartak Moscow and Maribor after Jurgen Klopp’s side set a new English record with 23 goals in the Champions League group stage.

Liverpool FC were pitted against 2004 European champions Porto in the round of 16 as the Merseyside club embarked on their first Champions League knockout campaign in over nine seasons.

Sadio Mane broke the deadlock in the 25th minute when his shot crept under Jose Sa before Mohamed Salah displayed impressive composure to make it 2-0 before the half-time break in wet conditions.

The Senegal international doubled his tally with a close-range finish following Roberto Firmino’s shot before the Brazilian got a deserved goal to leave Liverpool FC in an incredible position ahead of the second leg.

Mane completed his first Champions League hat-trick to make it 5-0 and leave Porto with a near impossible task at Anfield in three weeks.

Former Liverpool FC defender Carragher took to Twitter to lavish praise on the Reds following their landslide win.

Carragher wrote on Twitter: “0-4 in @LFC first knockout @ChampionsLeague game for 9 years!!!”

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