Jurgen Klopp had to send Ragnar Klavan a picture of himself to convince the centre-half that he actually wanted to sign him for Liverpool.
Klavan joined the Reds for £4.2million in summer 2016, and has filled in as back-up at centre-half ever since.
The Estonian has played 34 games in all competitions for the club, having spent time in the Bundesliga, Eredivisie and Tippeligaen before his big move.
Speaking before he started in the club’s 3-3 draw with Sevilla on Tuesday, Klavan has revealed just how surprised he was at the prospect of joining Liverpool.
The Estonian was so doubtful about the authenticity of the text message that he asked Klopp to prove it was him, and the manager obliged with a selfie.
“Yes, I did not believe it,” he told BT Sport. “I asked for some kind of confirmation so Jurgen sent me a selfie.”