Research News

2026 2025 2024 2023

World ranking of ball-friendliest teams

CIES Football Observatory presents the ball-friendliest teams in the world thanks to the data exclusively produced by our partner Impect.
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Research
04 February 2026

Transfer value of under-contract academy graduates: Barcelona!

100 teams worldwide whose academy graduates still under contract (in the club or out on loan) total the highest aggregate transfer value.
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Research
28 January 2026

Best U22 outfield players compared to teammates

The outfield players not yet having turned 22 who most outperformed their teammates during the current or last completed season in 65 world leagues.
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Research
21 January 2026

Top training clubs for big-5 league players

CIES Football Observatory presents the clubs having trained* the highest number of footballers who played in the big-5 during the current season.
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Research
14 January 2026

Transfer values: global top 100

Lamine Yamal continues to be the most expensive player in the world according to the CIES Football Observatory’s statistical model.
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Research
07 January 2026

Best non-big-5 league players born in 2006 or later

100 players worldwide born in 2006 or later who are not yet playing for a big-5 league club having performed best this year.
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Research
27 December 2025

Most physically robust outfield players

CIES ranks most physically robust outfield players: Júnior Alonso leads; Vanaken, Otamendi follow. Colombia leads overall stats.
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Research
17 December 2025

Rising values: highest expected increases

Discover the 169 players whose transfer value is projected to rise most over the next six months.
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Research
10 December 2025

Vertical play masters: best U23s

Jorne Spileers tops U23 progressive passers worldwide, followed by Huijsen and António Silva, with young standouts like Volden and Zaïre-Emery.
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Research
03 December 2025
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