All eyes are on Viktor Kassai after the chaos at the Bernabeu - but should all the blame be shouldered by one man?
The referee who allowed Cristiano Ronaldo's two extra-time goals to stand, Viktor Kassai, desperately needed video technology to rescue his assistant referee's questionable decision-making in Tuesday's clash between Real Madrid and Bayern Munich.
The Champions League quarter-final, which Real Madrid won 6-3 on aggregate after extra-time in the second leg at the Santiago Bernabeu, saw two clear Ronaldo offsides missed by the linesmen.
Former Bayern Munich midfielder Owen Hargreaves was utterly baffled by the continued lack of replays that would allow referees to amend erroneous moments of officiating in elite football matches.