The Merseyside outfit signed the Netherlands international in a club record £75m deal from Southampton in the January transfer window.
Van Dijk became the world’s most expensive defender following his much-anticipated switch to the 18-time English champions.
Liverpool FC signed Robertson in an £8m deal from relegated Hull City last summer to strengthen their options at left-back.
Jurgen Klopp entrusted Robertson with a place in the Liverpool FC team for both legs of their Champions League quarter-final against Manchester City.
The Scotland international impressed in the Reds team despite his lack of experience in the European football to limit the Premier League leading goal-scorers to one goal in 180 minutes of football.
Former Manchester United defender Ferdinand credited Van Dijk with helping to get the best out of the 23-year-old full-back in recent months.
“How does he affect the others around him? He makes other players look better,” Ferdinand told BT Sport.
“Robertson, who is very inexperienced at this level, has looked fantastic in recent weeks. And I think a lot of that comes from the confidence that he [Van Dijk] has given others.
“I think others are improving around him based on what he’s giving.”
Goals from Mohamed Salah, Alex Oxlade-Chamberlain and Roberto Firmino sealed a 3-0 win over Manchester City in the first leg of their Champions League quarter-final.
The Reds recovered from Gabriel Jesus’ second-minute goal to win 2-1 at The Etihand thanks to Salah’s equaliser and Firmino’s winne.
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