Research News

2025 2024 2023

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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Research
31 enero 2024

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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Research
24 enero 2024

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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Research
17 enero 2024

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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Research
10 enero 2024

Most expensive players: Bellingham’s price soars

The 445th issue of the Weekly Post presents the 100 players in the world with the highest estimated transfer values according to the CIES Football…
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Research
04 enero 2024

Best finishers: world’s top 100

The 441st CIES Football Observatory Weekly Post crunches data from our partners Wyscout on shots attempted and goals scored during the current season…


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Research
29 noviembre 2023

Global rankings of club-trained players’ employment

The 440th CIES Football Observatory Weekly Post ranks teams from 60 leagues around the world according to the percentage of domestic league minutes…


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Research
22 noviembre 2023
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