What happened: Aston Villa manager Unai Emery criticised VAR for not sending off Nottingham Forest's Elliot Anderson during their Europa League semi-final first leg.
Why it matters:
- VAR decisions can influence the outcome of important matches.
- Players and teams affected by refereeing calls may feel unfairly treated.
MNN Take: VAR is intended to assist referees with key decisions, but disagreements over its use continue to spark debate in football.
Sources: BBC Sport