James Milner in action for Liverpool against Porto. Picture: ANTHONY DEVLIN/AFP via Getty Images
Despite already topping Group B heading into the game, the Reds were determined to continue their winning momentum.
Porto were the better side in the first half but rued not making their dominance count and went into half-time goalless.
Then Mo Salah ensured Liverpool picked up all three points when he netted with 20 minutes remaining.
Those were the main moments that will be remembered from the clash.
But here’s some of the events you might not have picked up on.
Morton’s talk to remember
It was a night to remember for Tyler Morton.
A Champions League debut under the Anfield lights would have been everything he would have dreamed about coming through the youth Naturally, there would have been some nerves. Let's be honest, what teenager wouldn't have them?
However, from the warm-up until the game got under way, Morton was reassured that he deserved his spot in the team.
And just before kick-off, Morton perhaps got a pep talk he'll never forget.
Mo Salah's regarded as the best player in the world and could have spent the final few seconds focusing on his game and how he could affect it.
Instead, Salah sauntered over to Morton, put his arm around his shoulder and offered some words of advice.
Clearly, whatever the Egyptian said worked. The Wirral-born midfielder was composed throughout and barely put a foot wrong.
He'll remember those words from Salah forever and repaid his kindness somewhat.
Morton's raking pass in the second half got the move going for Salah's 17th goal of the season.
It was a fine ball that Salah battled to win before turning home moments later when slipped in by Jordan Henderson.
James Milner's been regarded as a utility man for years now.
Anywhere he's required to play, the selfless former England international will take up the challenge with relish.
During his Manchester City days, Milner memorably started one game as an auxiliary striker against Crystal Palace. Because of injuries to the recognised front men, he took up the mantle superbly.
Midfield has been his primary position at Anfield, but he's deputised magnificently at both right-back and left-back since his arrival six years ago.
And fans got a throwback to 2014 when he came off the bench in the closing stages against Porto to mark his return from a hamstring injury.
It took a little while to realise but Milner had indeed been thrown on to lead the line after Takumi Minamino had been pushed wide following the withdrawals of Salah and Sadio Mane.
He had one long-range effort kept out and displayed exactly the zest and enthusiasm Klopp would have hoped for.
If anything the veteran 35-year-old was overzealous. One late challenge earned him a booking, meaning he's banned for the final group game against AC Milan.
Maybe Milner just doensn’t fancy a trip to the San Siro next month. Maybe it was all a ploy so he could have a couple of days off to have a dander around the Christmas markets and do it a bit of shopping.
Let's hope they sell hot Ribena as a mulled wine alternative.
Elliott’s infectious attitude
At the final whistle, Klopp and his troops showed their appreciation to the Anfield crowd.
Despite the game being a dead rubber, there was scarcely a seat available.
The substitutes also made their way onto the pitch - as did one player not involved.
Throughout his rehab period, there have been images and videos as he slowly makes a playing return.
So a glimpse of Elliott walking onto the pitch in the flesh was another reminder that he's on the mend. He had a spring in his step as he waltzed onto the pitch, congratulating Morton on his performance along with fellow youngster Neco Williams.
It was a fine sight to see and Kopites can't wait to have him back. Even when sidelined, he retains his infectious attitude.
That was underlined before kick-off, too. Elliott was spotted grabbing a photographer’s camera and taking a few snaps of the warm-ups.
The youngster’s positivity can only be a positive for everyone at Liverpool.