It was struck from almost the same spot John Arne Riise had scored a similar goal on Liverpool’s last visit here 18 months earlier.
Then came Ngog’s moment to remember. The French youngster is a raw talent and his previous appearances have rarely hinted at the potential Benitez feels can be tapped.
But having wasted a decent first-half chance when heading Dossena’s cross straight at Isaksson, the 19-year-old showed great composure to seal Liverpool’s win 13 minutes from time.
Set free by a fine Keane pass, Ngog homed in on goal, held off PSV centre-back Jeremie Brechet and slotted underneath Isaksson to open his Liverpool account.
With victory secured, youngsters Stephen Darby, Jay Spearing and Martin Kelly were all handed late run-outs from the bench, the latter pair making their European debuts.
It was another plus on a night of positives for Benitez.
