Real Madrid manager Zinedine Zidane voiced concern that FIFA's new video review system "could cause confusion" after guiding his team to the Club World Cup final on Thursday.
World soccer's governing body is trialing its Video Assistant Referees system at the ongoing tournament in Japan, which allows officials to consult with video replays for potentially game-changing incidents.
The system was called into action for the first time when a video assistant awarded Kashima Antlers a penalty during their 3-0 semifinal win over Colombia's Atletico Nacional on Wednesday.
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