After one of his better displays for Atletico Madrid, Joao Felix's substitution on Saturday was jeered, and Diego Simeone has responded.
Stefano Pioli has hit out at VAR and the officials after Fiorentina were awarded a late penalty to salvage a draw against Milan.
An idea to revamp offsides from FIFA's Arsene Wenger has been met with short shrift from Southampton's Ralph Hasenhuttl.
FIFA's Arsene Wenger suggested the offside law would benefit from a quick tweak, but IFAB has said any change will be months away.
As head of global football development at FIFA, Arsene Wenger has identified a means of changing the offside rule in the era of VAR.
A football match almost got in the way before VAR and Mike Dean reached new heights in Manchester City's defeat at Tottenham.
The Football Association has sanctioned Manchester United following their players' behaviour at Anfield.
The Football Association have charged Manchester United after their players crowded referee Craig Pawson during Sunday's defeat at Anfield.
Monchi claims he would have taken Sevilla off the Santiago Bernabeu pitch had his side seen a second goal disallowed by VAR.
Sevilla were furious to see a goal disallowed against Real Madrid, but Zinedine Zidane thought the decision was correct.