The Liverpool substitutes were going through their warm-down routine in front of an almost-empty Estadio de la Ceramica when Jurgen Klopp emerged from the tunnel.
There was a big smile towards the travelling Kop still situated high up in the stands, followed by a celebratory wave that was greeted with huge cheers.
And then, of course, came the party piece, the Reds boss aiming a trademark triple fist-pump towards those who had made the journey to Spain.