The Reds’ no.29 has shown his quality in the Premier League down the years against talented wingers such as Raheem Sterling (who he once named as his most difficult opponent), Sadio Mane and Heung-min Son.
However, on Thursday the defender could face something of a lesser-known quantity among English football fans, with Samu Castillejo or Alexis Saelemaekers likely to line up on the left-hand side for AC Milan in the first leg of our Europa League last-16 meeting.
Speaking to UEFA.com ahead of that clash, Aaron was asked about his defensive discipline and approach in big games.