A tactical look at Chelsea in the EFL Championship. Original analysis published by BBC Sport.
The analysis
Let us examine a development in the EFL Championship that deserves thorough analysis. Six thousand Port Vale fans is set to travel to Chelsea on Saturday to cheer on the struggling League One side in the quarter-finals of the FA Cup.
The data and context reveal far more than the headline suggests.
Original source: Full reporting on this story is available at BBC Sport. This article summarises key facts from that report and adds context about the EFL Championship.
