In recent years, Serie A has been known for its unpredictable and often controversial refereeing decisions that have sparked intense fan discontent. One such example is the match between Juventus and AC Milan in June 2019.

The match was particularly controversial due to the referee's decision to award extra time to AC Milan after a controversial goal by Mario Mandzukic. This decision led to widespread criticism from fans who felt it went against the spirit of fair play and justice.

The referee's decision to award extra time was based on a review of video footage that showed Mandzukic had hit the post with his head. However, the referee himself admitted that he had made a mistake during the review process and that the decision should not have been given.

The decision was widely criticized as unfair and unjustified, leading to a significant backlash from fans. Some fans accused the referee of being biased and trying to manipulate the outcome of the game, while others argued that the decision was just one more instance of referee misconduct.

Despite the controversy surrounding the decision, the match did not result in any major changes to the league table or the performance of either team. Instead, the match highlighted the importance of fair play and consistency in refereeing decisions.

In conclusion, Serie A's controversial referee decisions have been a source of much fan discontent over the years. While the decision to award extra time to AC Milan may seem like a minor issue, it highlights the need for consistency and fairness in refereeing decisions across all levels of football. As the season progresses, we can expect to see further developments in this area, but ultimately, it remains up to referees to uphold the highest standards of fairness and integrity in their decisions.