The Reds were the heavy underdogs ahead of the visit of the Premier League leaders given the Merseyside outfit are a staggering 18 points behind Manchester City in the top-flight standings.
Mohamed Salah broke the deadlock in the 10th minute with a close-range finish after Roberto Firmino managed to force a mistake from England international Kyle Walker in the Manchester City area.
The Reds made it 2-0 in the 20th minute when summer signing Alex Oxlade-Chamberlain scored his second Champions League goal with a long-range strike to beat Manchester City goalkeeper Ederson.
Liverpool FC polished off a commanding first-leg win thanks to Sadio Mane’s header to give the Reds a substantial lead to defend in the second half but Jurgen Klopp’s defence held on.
Former Liverpool FC captain Gerrard was impressed with all aspects of the Reds’ performance in the Champions League clash.
“The Liverpool manager and Liverpool players will come out and be humble, because there’s another 90 minutes to play,” Gerrard told BT Sport. “But secretly they’ll be delighted with the result and the performance.
“We saw both sides of Liverpool today – the aggressive side, with the pressing on the front foot and in the second half they were excellent to a man defensively. They basically forced City to run out of ideas.”
Liverpool FC will make the short trip to Everton in the Merseyside derby at Goodison Park on Saturday afternoon.
The Reds will make the return journey to Manchester City next Tuesday.
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