The left-back has made 195 appearances for the club's first-team since, which highlights that he has consistently performed.
However, it did take Robertson some time to break into Liverpool's senior side. Alberto Moreno was keeping the Scotland international out of the team.
With that being the case, Robertson has admitted that he did have some self-doubt about his ability when he first arrived at Liverpool.
The video below is property of BT Sport.
On 21st July 2017, @andrewrobertso5 joined one of the biggest clubs in the world 🔴
But it took some adjusting to get to where he is today...
"I used to look at Mané and Salah as opponents rather than teammates."
Watch #WhatIWore with Andy Robertson in full on YouTube ⬇️
— Football on BT Sport (@btsportfootball) December 16, 2021