Seeding the UEFA Champions League participants: evaluation of the reforms

Dmitry Dagaev and Rudyak Vladimir Yu. ()
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Rudyak Vladimir Yu.: Lomonosov Moscow State University, Moscow, Russian Federation

Journal of Quantitative Analysis in Sports, 2019, vol. 15, issue 2, 129-140

Abstract: We evaluate the sporting effects of the seeding system reforms in the Champions League, the major football club tournament organized by the Union of European Football Associations (UEFA). Before the 2015–2016 season, the teams were seeded in the group stage by their ratings. Starting from the 2015–2016 season, national champions of the Top-7 associations are seeded in the first pot, whereas other teams are seeded by their rating as before. Taking effect from the season 2018–2019, the team’s rating no longer includes 20% of the rating of the association that the team represents. Using the prediction model, we simulate the whole UEFA season and obtain numerical estimates for competitiveness changes in the UEFA tournaments caused by these seeding reforms. We report only marginal changes in tournament metrics that characterize ability of the tournament to select the best teams and competitive balance. Probability of changes in the UEFA national association ranking does not exceed several percent for any association.

Keywords: competitive balance; Monte-Carlo simulations; seeding; tournament; UEFA Champions League (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (17)

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Working Paper: Seeding the UEFA Champions League Participants: Evaluation of the Reform (2016)
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DOI: 10.1515/jqas-2017-0130

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