Research News
Penalty cards, fouls and injury time across the world
Issue number 453 of the CIES Football Observatory Weekly Post analyses the StatsPerform and Wyscout data on the number of cards, fouls and injury time…
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Transfer revenue streams: global mapping
The 92nd CIES Football Observatory Monthly Report analyses from a spatial perspective the origin of the >€75 billion transfer revenues collected by…
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Transfer market makers and net spending
Number 452 of the CIES Football Observatory Weekly Post presents the 169 clubs in the world whose volume of incoming or outgoing player transactions…
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Most loyal players: Valentine’s Day rankings
On this Valentine’s Day, the CIES Football Observatory Weekly Post highlights the footballers from 60 leagues around the world who have been ...
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Top midfielders for ball retention under high pressure
The 450th issue of the CIES Football Observatory Weekly Post analyses the game intelligence data produced exclusively by our partners SkillCorner to…
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Use of underage players in the big-5 (2009-2023)
The 449th CIES Football Observatory Weekly Post presents the 402 footballers who played in the big-5 before turning 18 during the 15-year period from…
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Player trading: from LOSC Lille to Barcelona
The 448th CIES Football Observatory Weekly Post presents the 50 clubs in the world with the most positive and negative transfer balances for…
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Aerial play: van Dijk tops the world rankings
The 447th CIES Football Observatory Weekly Post presents the 100 centre backs in the world with the best aerial play statistics* according to an index…
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Most profitable club academies worldwide
The 446th CIES Football Observatory Weekly Post presents the 100 clubs with the most profitable academies in the world in terms of revenues ...
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