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Playing under high pressure and ball retention

2024-03-15, Poli, Raffaele, Besson, Roger, Ravenel, Loïc

This paper analyses the data on high intensity pressure produced by the French company SkillCorner. It presents several statistical models highlighting the link between teams’ styles of play, the level of pressure experienced by players and their ability to retain possession. It shows the importance of contextualising individual performance in relation to that of the team and the position occupied.

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Future champions: 270 names to watch closely

2023-12-15, Poli, Raffaele, Besson, Roger, Ravenel, Loïc

This report highlights the players born in 2003 or later who have accumulated the most playing experience over the last year (as at 11 December 2023), according the exclusive CIES Football Observatory ‘experience score’ metrics, in nine positions: goalkeepers, centre backs, left backs, right backs, holding midfielders, attacking midfielders, left wingers, right wingers and centre forwards.

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Demo-economic analysis of player transfers (2014-2023)

2023-09-05, Poli, Raffaele, Besson, Roger, Ravenel, Loïc

This report analyses the financial flows of football transfers on a global scale during the decade between 2014 and 2023. It presents the evolution of transfer fees incurred by clubs, their breakdown according to the age and position of the players concerned or the geographical area of recruiting teams, as well as the economic balance sheets of transfer operations, at both league and club level.

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Attacking playing styles in world football

2023-04-10, Poli, Raffaele, Besson, Roger, Ravenel, Loïc

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Spatial analysis of transfer revenues streams (2014-2023)

2024-02-15, Poli, Raffaele, Besson, Roger, Ravenel, Loïc

This report analyses from a spatial perspective the origin of transfer revenues collected by clubs worldwide between 2014 and 2023 according to their parent association. In total, clubs earned no less than €75 billion: around two-thirds from international transfers and the rest from domestic ones. However, this proportion varies greatly from country to country.

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Team demographics in 48 leagues worldwide

2023-11-15, Poli, Raffaele, Besson, Roger, Ravenel, Loïc

This report compares 48 leagues around the world according to the demographic characteristics of the players in their squads: 31 top divisions of UEFA member associations, nine of CONMEBOL, six of AFC and two of CONCACAF: the American MLS and the Mexican Liga MX.

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Comparative study of UEFA Women’s Champions League quarter-finalists (2022/23)

2023-06-15, Poli, Raffaele, Besson, Roger, Ravenel, Loïc

This report is a comparative analysis of the composition of squads of the eight clubs having reached the quarter-finals of the 2022/23 edition of the UEFA Women’s Champions League. It notably presents the average age of line-ups fielded by each team and their league of belonging, as well as the origins of the expatriate players active in the ten main domestic leagues worldwide.

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Younger than ever? The use of minors in the European big-5 (2009-2023)

2024-01-15, Poli, Raffaele, Besson, Roger, Ravenel, Loïc

This report studies the fielding of minor footballers, under 18 years of age, in matches of the five major European leagues played over the 15-year-period between the 1st January 2009 until the 31st December 2023. The analysis covers the differences observed between leagues, the evolution over time, as well as the characteristics of the players concerned.

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‘Call-for-the-ball’ runs and styles of play: a worldwide analysis

2023-10-15, Poli, Raffaele, Besson, Roger, Ravenel, Loïc

Thanks to the new ’game intelligence’ data produced by our partner SkillCorner, it is now possible to understand all the types of runs made by players during a match. This report analyses the distribution of eight categories of ‘call-for-the-ball’ runs in 27 competitions around the world, highlighting different styles of attacking play at both club and league level.

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Global study of football expatriates (2017-2023)

2023-05-10, Poli, Raffaele, Besson, Roger, Ravenel, Loïc

This report studies the presence of expatriate footballers in 2,200 clubs participating in 135 leagues around the world: 83 from UEFA member associations and 52 from associations belonging to other confederations. In total, we analysed the origin of 62,610 players who were in the first team squad of their employer club on May 1st, including 14,405 expatriates.