Remarkable footage emerged last week; six uncut minutes of film — no commentary, no dialogue — that should be screened in modern management courses.

It is of Jurgen Klopp at this month’s Champions League final. A single camera tracks him from when the full-time whistle blows. First, he goes and gives consoling hugs to Mauricio Pochettino and Jan Vertonghen. Then he hugs the referee and turns, with toothy intent, to his own clan and no Liverpool player or staffer will escape the Klopp embrace. He cradles Trent Alexander-Arnold, kissing his head like father to son. Cuddling Jordan Henderson, they both cry. Mo Salah gets a happy hug. Klopp lets Virgil van Dijk lift him up. He draws Roberto Firmino close, to gabble some declaration in