Jurgen Klopp 'shocked' Liverpool starlet who couldn't believe what Sadio Mane did at AXA Training Centre

EXCLUSIVE: Billy Koumetio reveals all about how he signed for Liverpool and first broke into Jurgen Klopp's first team

source https://www.liverpoolecho.co.uk/sport/football/football-news/jurgen-klopp-shocked-liverpool-starlet-27681399