Having left Liverpool for Al Ettifaq, goalkeeper coach Achterberg has lifted the lid on his experience of the Reds' game against Barcelona in their run to Champions League glory in 2019. The 53-year-old did not hesitate to admit he would take the World Cup winner in a team over Cristiano Ronaldo, but that did not stop him from voicing a strong opinion on his antics during that famous European tie and the delight he felt when full-back Andy Robertson put in a particularly strong challenge on his opponent.