The introduction of Jordan Henderson after 69 minutes of Liverpool’s victory over West Ham United was significant not simply because here was the returning captain, but what it triggered in front of him.

As Roberto Firmino trudged off, and Henderson came on in midfield, the intrigue lay elsewhere.

Mo Salah moved centrally, a tactic Jürgen Klopp could use more and more this term, while Naby Keïta was pushed from the left side of the midfield three to left of the attacking triumvirate.

By the end of the convincing 4-0 victory, Liverpool’s frontline had totally changed. Firmino, Salah and Sadio Mané all off and Xherdan Shaqiri, Daniel Sturridge and Keïta taking their place.

Liverpool suddenly had options. Here was the strength in depth everyone talks about.