Naby Keita and Roberto Firmino bagged the goals before the break in the first-leg clash, which brought up a managerial landmark for Jürgen Klopp.
Here, with help from Opta, are six interesting statistics from Tuesday’s game…
The result extended Liverpool’s unbeaten run at home in European competitions to 21 games (15 wins and six draws). They have recorded 12 clean sheets during that streak.
Klopp achieved the 400th victory of his managerial career in all competitions – 111 with the Reds, 180 for Borussia Dortmund and 109 at Mainz).
Since the start of last season, only Cristiano Ronaldo (24) has been directly involved in more Champions League goals than Firmino (21, with 13 goals and eight assists).