He is the player famously dubbed Liverpool's "lighthouse", the beacon on which so many opposing dangers flounder.
But the Reds were very much in the dark about Fabinho the last time they crossed swords with Chelsea in the League Cup.
Back in September 2018, the Brazilian had made a blink-and-you'd-miss-it bow from the bench late on against Paris Saint-Germain before being given a full debut for the visit of the Londoners the following week.
