A tactical look at Barcelona in the Champions League. Original analysis published by BBC Sport.
The analysis
There are moments in football that demand perspective. Barcelona submit a complaint to Uefa over a "grave lack of VAR intervention" during their Champions League defeat by Atletico Madrid on Wednesday.
The implications for Barcelona and Atletico Madrid and the Champions League have not been discussed enough.
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 Champions League.
Official sources: UEFA • FIFA • UEFA
