Twelve months on, Williams has five first-team appearances to his name and is considered by Jürgen Klopp to be a player that can help Liverpool now and 'massively for the future'.
So, could he have imagined all this happening in such a short period of time?
"No, not at all," the full-back admits in a conversation with Liverpoolfc.com. "But obviously with hard work and dedication it can happen.
"I'm just taking it day by day, just grasping it all in. It's unbelievable training and being with one of the best teams in the world.