The 380th edition of the CIES Football Observatory Weekly Post presents the 80 associations with the most players abroad in 135 leagues worldwide. Brazil heads the pack with 1,219 expatriates, followed by France (978) and Argentina (815). While the number of Brazilians and Argentineans abroad went just slightly up since 2017, that of the French increased more significantly.

Issue number 379 of the Weekly Post presents the top 10 estimated transfer values as per the CIES Football Observatory algorithm for 10 non-big-5 league top divisions worldwide: Portugal, the Netherlands, Brazil, Belgium, the United States/Canada, Austria, Turkey, Denmark, Switzerland and Scotland. The greatest value overall was recorded for SL Benfica’s striker Darwin Núñez (€71 million).

No team during current big-5 league season fielded club-trained players for a greater percentage of minutes than Athletic Club: 55.8%. The Basque side outranks local rivals Real Sociedad (43.9%), while Celta Vigo (41.2%) complete an all-Spanish podium. The Slovaks of MŠK Žilina (85.5%) top the table for clubs from 40 leagues worldwide.

Issue number 377 of the CIES Football Observatory Weekly Post relies on technical data produced by InStat to unveil the best performing outfield players in 32 European leagues. Footballers were classified into fifteen technical profiles and ranked according to their performance level with respect to both teammates and opponents, their playing time, as well as their team and league sporting strength.

Pioneers in the transfer economic valuation field, since 2010, the CIES Football Observatory has been developing a statistical method to assess market prices for professional football players. Issue number 376 of the Weekly Post presents the highest estimated transfer values for the 50 footballers who did not yet celebrate their 23rd birthday and made their big-5 league debut during current season.

Issue number 375 of the CIES Football Observatory Weekly Post presents the 100 best performing U21 outfield players from 32 European leagues according to a brand-new approach taking into consideration players’ performance compared to teammates, the employer team’s sporting level, as well as that of opponents.

Issue number 374 of the CIES Football Observatory Weekly Post ranks 60 leagues worldwide according to the percentage of minutes played since the 1st of January 2021 by footballers that did not yet celebrate their 21st birthday at matches played. The greatest figures were recorded in the Venezuelan (18.8%) and Danish top divisions (16.5%). The Saudi Pro League is at the opposite end (1.6%).

Issue number 373 of the CIES Football Observatory Weekly Post ranks 90 top divisions worldwide according to the average tenure duration of coaches (as per last 1st March). The values stretch from 1,536 days in Northern Ireland to only 156 days in Saudi Arabia.

Issue number 372 of the CIES Football Observatory Weekly Post presents the net spending on international transfers concluded since July 2017 by clubs of the 40 most active nations from an incoming and outcoming fee volume perspective. England (- €4.35 billion) and Portugal (+€1.15 billion) recorded the most negative and, respectively, positive trade balances.

Issue number 371 of the CIES Football Observatory Weekly Post ranks 38 leagues worldwide according to the InStat data on stoppage due to fouls. The two greatest figures were recorded for Latin American leagues, the Mexican and Colombian top divisions, while the highest fouls’ pause time out of the 33 European leagues surveyed was measured in Portugal.

Issue number 370 of the CIES Football Observatory Weekly Post presents the top 50 of clubs worldwide having generated the most incomes since July 2015 from the transfer of players graduated from their youth academy and having been at the club for at least three years between the seasons of their 15th and 21st birthday. The Portuguese side SL Benfica leads the table with about €379 M.

Issue number 369 of the CIES Football Observatory Weekly Post ranks teams from 50 top divisions worldwide according to the number of players fielded in domestic league games during the last 365 days. For current big-5 league teams, the values stretch from an eye-staggering 55 players for Genoa down to only 27 for West Ham United.

Issue number 368 of the CIES Football Observatory Weekly Post crunched the InStat data on goal scoring chances and effective playing time for 36 European leagues since 2018/19 (or 2019) to determine the level of “game openness”. The findings show that clubs in leagues from the North/West part of the continent tend to play more openly than those from the South/East.

Issue number 367 of the CIES Football Observatory Weekly Post ranks current big-5 league clubs according to their net spending on transfer operations concluded over the last ten seasons. Manchester United tops the table with a negative balance of more than one billion euro, ahead of Manchester City and Paris St-Germain. Fourteen English clubs are in the top 20 of clubs with the most negative net transfer spending.

Issue number 366 of the CIES Football Observatory Weekly Post presents the 100 players born in 2002 or after active in 31 European leagues outside of the big-5 with the highest InStat Index. The latter takes into consideration footballers’ pitch production depending on position played (centre back, winger, etc.) and the general level of the matches in which they participated.

Issue number 365 of the CIES Football Observatory Weekly Post presents the top 100 list of clubs having trained the most players fielded in domestic league matches by 286 teams from 15 leagues worldwide during the second semester 2021. The Argentineans of Boca Juniors are at the top of the table with 78 footballers trained, 18 more than city rivals River Plate. The Colombians of Deportivo Cali complete the podium with 56 players from their academy.

The 364th CIES Football Observatory Weekly Post presents the rankings of European clubs having obtained penalties the most frequently since the start of the 2018/19 season as per InStat data. The sample is composed of teams always present in one of the 31 leagues surveyed during this period. Crvena Zvezda is at the top with a penalty every 239 minutes, while Manchester United heads the rankings in the big-5 (one every 299 minutes).

Issue number 363 of the CIES Football Observatory Weekly Post compares points achieved by teams from 32 leagues of UEFA member associations with points expected according to a statistical model including ball possession and the number and distance of both shots taken and conceded (InStat data). With 2.71 points per match achieved and 1.75 expected, the Romanians of CFR Cluj have the most positive gap (+0.96). The Italian second division side Vicenza Virtus are at the opposite end (-0.81).

Issue number 362 of the Weekly Post presents the traditional bi-annual list of the 100 big-5 league players with the top estimated transfer value according to the CIES Football Observatory algorithm. The Real Madrid’s Brazilian rising star Vinícius Júnior (€166 million) outranks Phil Foden and Erling Haaland. These figures are irrespective of eventual buy-out clauses in players’ contract.

Issue number 361 of the CIES Football Observatory Weekly Post presents the best XI for each of the five major European leagues. Players were selected according to the CIES Performance Index powered by Opta data. Only footballers fielded for at least 900 domestic league minutes since the start of the 2021/22 season were included in the line-ups.

Issue number 360 of the CIES Football Observatory Weekly Post presents the 50 outfield players and the 50 goalkeepers worldwide who accumulated the greatest pitch experience since the start of the year. The rankings are elaborated on the basis of the exclusive capital experience method, which combines within a single metric the playing time of footballers and the sporting level of the teams for which they played or the competitions they participated in.

Issue number 359 of the Weekly Post presents the ten U23 big-5 league players per position with the greatest estimated transfer value as per the exclusive CIES Football Observatory econometric model. Three U23 forwards could theoretically be transferred for up to €150M or more during January’s window: Erling Haaland (Borussia Dortmund and Norway), Vinícius Júnior (Real Madrid and Brazil) and Phil Foden (Manchester City and England).

Issue number 358 of the CIES Football Observatory Weekly Post analyses the InStat data on the number of passes attempted per match and their average length for teams from 40 leagues worldwide. The multiplication of these two variables shows the ball circulation distance for teams during possession. This distance varies between 12.8 kilometres per match for the Scots of Celtic FC and 6.9 km for the Mexicans of Atlético San Luis.

Issue number 357 of the CIES Football Observatory Weekly Post ranks teams from 84 top divisions worldwide according to the number of players fielded in domestic league matches during the last 365 days. The figures greatly vary from only 21 players at the Finnish side Inter Turku up to 61 for four clubs: Club Aurora (BOL), Colo Colo (CHI), EC Juventude (BRA) and Royal AM (RSA).

Issue number 356 of the CIES Football Observatory Weekly Post analyses the data produced by our partners SkillCorner to unveil the average sprinting (>7.0 m/s or 25.2 km/h) distance per team in 26 leagues worldwide. The values stretch from 2.23km at Marcelo Bielsa’s Leeds United to only 1.04km at the Ukrainian side Metalist 1925 Kharkiv.

Issue number 355 of the Weekly Post ranks big-5 league clubs according to the CIES Football Observatory’s Sustainable Squad Management (SSM) Index. The latter highlights teams built to last by combining players’ age (the younger, the better), average stay in the first team squad (the longer, the better) and contract duration (the longer, the better).

Issue number 354 of the CIES Football Observatory Weekly Post presents the most active dribblers in 33 leagues worldwide according to the data of our partners InStat. Only players having attempted at least 40 dribbles in the current season (or in 2021 for the Brazilian Serie A) are included in the rankings.

AFC Ajax tops the CIES Football Observatory 2021 rankings of clubs having trained the most footballers playing in 31 top divisions of UEFA member countries. The Dutch team nurtured 81 players currently active in these championships, six more than Shakhtar Donetsk. Real Madrid and Barcelona co-head the table for players active in the five major European leagues (42).

Issue number 352 of the CIES Football Observatory Weekly Post ranks teams from 41 leagues worldwide according to the ratio between big chances created and conceded as per data from our partners InStat. A big chance defines a clear-cut chance to score a goal. Partizan Belgrade (5.0) recorded the best ratio out of the 680 clubs surveyed, ahead of AFC Ajax (4.3) and RB Salzburg (4.1).

Issue number 351 of the CIES Football Observatory Weekly Post ranks clubs in 31 top divisions from UEFA member associations according to the percentage of domestic league minutes played by expatriates. The highest value overall was recorded for the Greek side Aris FC (98.4% of minutes), while Udinese Calcio (88.0%) tops the rankings for big-5 league clubs ahead of Chelsea FC (86.8%).

Issue number 350 of the Weekly Post presents the estimated squad transfer values of the 98 teams in the big-5. The figures were calculated on the basis of the exclusive CIES Football Observatory algorithm. The two teams having invested the most to sign their current players, Manchester City and Manchester United, also are at the top of those with the highest estimated squad value.

Issue number 349 of the CIES Football Observatory Weekly Post ranks teams from 72 top divisions worldwide according to the average age of line-ups fielded in the current season and the percentage of minutes played by footballers who did not yet celebrate their 21st birthday. Monaco played so far with the youngest line-ups in the five major European leagues (24.3 years), while Bayer Leverkusen fielded U21 players for the highest percentage of minutes (24%).

The 348th edition of the CIES Football Observatory Weekly Post presents the forecasts for the 2021/22 season at the level of the five major European leagues. The statistical model used for this purpose includes the players’ experience, transfer fee investments to assemble squads, as well as each team’s performance in the last 365 days.

Issue number 347 of the CIES Football Observatory Weekly Post ranks teams from 36 domestic leagues worldwide – 32 in Europe and 4 in the Americas – according to the number of passes made per match during current season as per data provided by our partners InStat. Paris St-Germain tops the rankings with an average of 738 passes.

Issue number 346 of the Weekly Post presents the annual CIES Football Observatory analysis on big-5 league teams’ transfer fee spending to assemble their squads. With an estimated €1.08 billion invested to sign their current players (possible add-ons included), Manchester City remains at the top of the rankings. However, with respect to the start of the 2020/21 season, the gap with Manchester United went down by almost €140 million: from €192M to just about €58M.

Age categories in youth football are generally defined from January 1st onwards. Issue number 345 of the CIES Football Observatory Weekly Post analyses the month of birth of 43,938 players fielded in 2021 in 119 leagues worldwide. The study confirms the relative age effect, i.e. the advantage to be born early in the year to make a career.

Issue number 344 of the CIES Football Observatory Weekly Post lists the 100 footballers worldwide who did not yet celebrate their 20th birthday and gained the most experience in official senior matches over the course of the year (minutes weighted by sporting strength of employer clubs or competitions played). The FC Barcelona’s gem Pedri González is clearly at the top of the table ahead of Mason Greenwood (Manchester United), Nuno Mendes (Sporting CP) and Ryan Gravenberch (Ajax).

With the start of a new and exciting season, the CIES Football Observatory is delighted to disclose some of the exclusive player physical data produced by our fresh partners SkillCorner. The French company has developed a unique and automated approach to track players from any football broadcast, whilst generating physical data and continuous XY tracking via specialised algorithms. With over 40 competitions covered worldwide, they position themselves as leaders in the market.

How much did players selected for the upcoming Euro 2021 play since the COVID break in 2020? Issue number 342 of the CIES Football Observatory Weekly Post ranks the footballers according to minutes played in official games for both clubs and national teams (A-teams and U21) since the 16th May 2020. With 6,472 minutes and 81 matches, Manchester United’s and Portugal Bruno Fernandes heads the table.

Three English talents are at the top of the biannual ranking of the greatest estimated transfer values for big-5 league players. According to the CIES Football Observatory algorithm, €190 million should be proposed to eventually convince Manchester City releasing Phil Foden. Two Manchester United’s players complete the podium: Mason Greenwood (€178 M) and the former leader Marcus Rashford (€159 M). The top 100 is available in the 341st Weekly Post.

National teams with players active in the most competitive clubs have greater chances to win trophies. Issue number 340 of the CIES Football Observatory Weekly Post compares selections qualified from the perspective of the average sporting level of the teams of employment of players in squads. France tops the table ahead of Germany and Spain.

With the five major European leagues ended, issue number 339 of the CIES Football Observatory Weekly Post presents the best line-ups for each championship. Players were selected according to the CIES performance index developed using data from OptaPro. Only footballers fielded for at least two thirds of domestic league minutes were included in the line-ups.