Loris Karius (played entire match) - 5: nearly a "Karius calamity" in just the third minute when he played the ball straight out to a Dortmund striker, toughest save he had to make in the first half was from a van Dijk back pass, held one sharp low cross late in first half - though it nearly bobbled out, could not be blamed for the penalty miss or Pulisic's second but palmed Pulisic's shot straight to Bruun Larsen for the third.
"He's a fantastic skilled boy, and it's not a surprise to see".
But at half-time, the 19-year-old was brought on and his substitution met with an eruption among the fans, by far and away the biggest cheer of the night aside from the opening rendition of You'll Never Walk Alone.
Despite reportedly being eligible and offered to play for Croatia, through his grandfather, Pulisic is very much a man of the United States and is the country's brightest spark in football having been a part of the USMNT since 2016 - aged just 17. He alone can not do it all.
The Reds were again without a number of key players after the World Cup.
"I know people think highly of him".
Joel Matip, who has just returned from a thigh issue that ended his 2017-18 season, was then forced off in the 17th minute with an injury.
'We will see, but we can not say anymore it now.
Adam Lallana - 6: Got down the right well early and pinged in a nice cross, worked hard in both defence and attack, Lallana knows that there may be one space in the midfield open with the non-arrival of Nabil Fekir and he is doing his best to grab it, also put in a couple of challenges that really stung.
For Dortmund, Pulisic somehow found his side a way back into the game, winning a penalty midway through the second half having worked nicely in the box.
On Liverpool's performance, Klopp added: "We have said a few times, it is a results game".
"On a day like this you have to stay strong and show desire, greed to keep going".
Unfortunately, Van Dijk's goal proved to be the final piece of goal-mouth action in the fist stanza as Dortmund struggled to make any in-roads in the final third.