Former Premier League striker Jan Aage Fjortoft, who is now a TV pundit, was conducting post-match chats with Jamie Carragher following the 7-0 win.
Although Kop legend Carra made a rookie error. He left his handset on loud and the ringing phone stopped Coutinho in his tracks.
Carragher shook his head at the mistake while Fjortoft, who was working for Norwegian television at the time, turned to Coutinho and said ‘it’s Barcelona’ as he did his best to make light of the situation.
Barcelona made three bids to sign Coutinho in the summer woth the highest offer reaching £118million.
Coutinho himself wanted to leave but Liverpool were adamant their prized asset was going nowhere.
The Brazilian took the captain’s armband from Jordan Henderson against Spartak and had just netted a hat-trick when he sat down to speak to Fjortoft.
It’s his first hat-trick for the club and ensured Liverpool became the fifth English team to qualifiy for the Champions League last 16 this season.
Chelsea, Manchester City, Manchester United and Tottenham join the Reds in Monday’s draw in Switzerland.
On who Liverpool could be paired with, boss Jurgen Klopp said: “I don’t mind too much who we get – usually I always…