Neymar netted twice for the visitors at Old Trafford, while Marquinhos also grabbed a goal, to render Marcus Rashford’s first-half equaliser academic.
However, things could have been very different had the Reds converted several clear-cut opportunities in a second half during which Fred was sent off.
After a drama-filled European night at the Theatre of Dreams, we’ve rounded up all the major talking points, starting with the state of play heading into the final group game.
HOW THE GROUP LOOKS
PSG’s win means there are now three teams tied on nine points, and the two sides going into the last 16 will be determined by next Tuesday's final group matches.