However, if they win 2-1, they won't qualify for last-16 because of an away goals rule.
"Then it's the 11th of December, we have a proper final at Anfield".
Napoli did enjoy a lot of joy in the first game between the two sides in Naples but they did rely on a late goal to give them a 1-0 win, exactly why Liverpool don't need a big win to go through.
It will surely be a raucous crowd in Paris at the Parc des Princes, but Liverpool will have to leave the noise behind and play like it is the season on the line.
PSG move to nine points.
Understandably given the high stakes, PSG sat back more and more as the game went on, although they still came closest to scoring again from a Marquinhos header, and their win was fully deserved.
Jurgen Klopp: PSG playacting made Liverpool 'look like butchers'
On a tricky night for English clubs, Tottenham was heading out until Denmark playmaker Eriksen's goal earned a reprieve.
PSG had only won one of their previous seven games in the competition.
FW Neymar, 8 - Shrugged off last week's injury scare to start and showed no ill-effects with a start-to-finish goal as part of an involved performance that saw his late penalty shout waved away by inept referee Szymon Marciniak and was only mildly soured by a late booking.
"Even Thiago Silva, the captain, a centre-back, rolling around in the corner at the end holding his face - this is a great team, PSG, with some great players, they don't need to resort to these tactics, they should let the football do the talking". It was a second straight clean sheet in the Champions League for the Belgian side's American goalkeeper Ethan Horvath.
The qualifying places in Group D were decided by the early kickoff in Moscow, where Lokomotiv beat Galatasaray 2-0 to earn its first points.
Monaco, second from bottom in Ligue 1 with only two wins in all competitions, improved somewhat in the second half as Atletico lost focus and carved out a number of chances.
WikiLeaks Bets $1M Julian Assange, Manafort Never Met
U.S. intelligence agencies have concluded that the emails were stolen by Russian intelligence officers. Sources in Ecuador tell the publication that Manafort's visit to the embassy was not logged.