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.

How frequently are teams fouling their opponents across Europe? Issue number 338 of the CIES Football Observatory Weekly Post answers this question using the data provided by InStat. At the level of the five major European leagues, the lowest foul frequency was measured for Arsenal (one foul every 10’44”), while Getafe is at the bottom end of the table (one foul every 5’44”).

Issue number 337 of the CIES Football Observatory Weekly Post reveals the employment rate of club-trained footballers (i.e. those having been for at least three seasons between the ages of 15 and 21 in their employer club) in teams from 27 top divisions of UEFA member associations. The highest percentage of minutes by club-trained players overall was recorded for the Slovakian side MŠK Žilina (61.5%), while RC Celta de Vigo (49.0%) has the greatest figure for big-5 league teams.

Issue number 336 of the CIES Football Observatory Weekly Post presents the index developed by the sports data company InStat to assess the performance of football players. This metric considers the technical gestures achieved by players, their playing time, as well as the level of the competitions in which matches were played. For footballers with more than 1,000 domestic league minutes this season, Lionel Messi (405) outranks Neymar Júnior (381) and Robert Lewandowski (371).

While player mobility has increased in recent years, squad stability remains a key success factor in football. Issue number 335 of the CIES Football Observatory Weekly Post highlights the footballers among current squad members having played the most domestic league matches during the last ten years for 540 teams from 35 top divisions worldwide. Sebastián Viera holds the record figure with 395 championship games for Junior de Barranquilla (Colombia).

The 334th edition of the Weekly Post presents the squad transfer value for the 98 teams in the five major European leagues. The estimated value for players loaned to other big-5 league teams was computed for the clubs of belonging, while that of players on loan outside of the top five European championships is not considered. The estimates were calculated through the CIES Football Observatory transfer value algorithm.

Issue number 333 of the CIES Football Observatory Weekly Post presents the percentage of domestic league minutes by footballers who had not yet turned 21 at the time of the matches played this season for 999 clubs from 71 top divisions that are currently running worldwide. The highest percentages were recorded for the Danish side FC Nordsjælland (48.9%) among the 30 major European competitions and the Singaporean team Young Lions (47.1%) for the clubs surveyed outside of Europe.

Issue number 332 of the CIES Football Observatory Weekly Post compares 72 top division leagues worldwide from the perspective of the percentage of matches in which a team won by at least three goals. The lowest proportion of uneven fixtures was recorded in the Colombian Categoría Primera A: just 5 out of 126 (4.0%). At the opposite end of the table is the Solomon Islands top division: 41 uneven games out of 110 (37.3%).

The CIES Football Observatory has developed a unique methodology to compare the performance of players irrespective of their position. Issue number 331 of the Weekly Post highlights the outfield footballers with the highest score for domestic league matches played since the 1st of January 2021 for each of the 98 big-5 league clubs.

The CIES Football Observatory has developed a powerful algorithm to assess the transfer value of professional football players on a scientific basis. Issue number 330 of the Weekly Post presents the top valued footballer for each of the 98 teams from the five major European leagues, as well as the percentage that the value of the most expensive player represents out of the total estimated transfer value of his owner club.

Issue number 329 of the CIES Football Observatory Weekly Post highlights footballers having won the highest percentage of domestic league matches in which they participated as starting 11 players since the 15th March 2020. The sample covers 42 top divisions worldwide. It only includes footballers who started at least 20 games in their current league (regular season or play-off matches).

Issue number 328 of the CIES Football Observatory Weekly Post highlights the most promising youngsters worldwide according to the capital experience approach. The latter weights domestic league minutes played by footballers with the sporting level of their teams of employment on a global level. The greatest capital experience since January 1st 2020 for players born in the 2000s was calculated for Borussia Dortmund’s winger Jadon Sancho.

Issue number 327 of the CIES Football Observatory Weekly Post crunches the InStat data on the direction of passes made during current season by more than 500 teams from 31 European leagues. No club made so far a greater percentage of passes backwards than current Premier League leaders Manchester City: 41.6%. This reflects the emphasis put on possession by Guardiola’s side.

Who are the U23 players with the best credentials to make soon their national A-team debut with one of the nations in the 20 top positions of the FIFA rankings? Issue number 326 of the CIES Football Observatory Weekly Post answers this question by considering the experience level that eligible footballers have accumulated during the last year (minutes weighted by sporting level of employment teams or competitions played).

Issue number 325 of the CIES Football Observatory Weekly Post presents the points projected at the end of the season for teams from 22 leagues across Europe. The projection was calculated using a statistical model taking into account shots on target and from the box attempted or conceded, ball possession, as well as teams’ own passes and those of opponents in the opposite third of the pitch.

During the last ten transfer windows, Manchester City total the most negative net transfer spending among current big-5 league clubs (-€631M) ahead of city rivals Manchester United (-€586M). Two French Ligue 1 clubs are at the opposite end of the table: LOSC Lille (+€191M) and Olympique Lyonnais (+151M). Issue number 324 of the CIES Football Observatory Weekly Post presents the data for each club.

Issue number 323 of the CIES Football Observatory Weekly Post ranks teams from 31 European leagues according to the number of shots per goals as per the data provided by InStat. The most clinical team overall is Hamburger SV (one goal every 4.7 shots), followed by Olympiacos and Bayern Munich. At the opposite end, the highest figure was recorded for Belenenses (one goal every 20.5 shots).

Empty stadiums impact teams very differently. Despite the lack of supporters due to the pandemic, Atlético Madrid recorded the highest proportion of home wins among teams in the five major European leagues: 13 out of 15 including yesterday night’s fixture against Valencia (86.7%). The data for teams in 66 top divisions worldwide are available in issue number 322 of the CIES Football Observatory Weekly Post.

Issue number 321 of the CIES Football Observatory Weekly Post ranks teams from 72 domestic leagues worldwide according to the percentage of minutes played by the 11 most fielded footballers. The highest figures for the five major European championships were measured for two English Premier League teams who performed beyond expectations since the start of the season: Aston Villa (87%) and Southampton (85%).

Issue number 320 of the CIES Football Observatory Weekly Post ranks teams from the five major European leagues according to the frequency of dribbles attempted by their players. Paris St-Germain tops the table with a dribble attempted every 3’58’’, while Burnley FC is at the bottom of the rankings with a dribble attempt every 8’46’’.

Issue number 319 of the Weekly Post presents the traditional biannual list of the big-5 league players with the greatest transfer values according to the exclusive CIES Football Observatory algorithm. The top estimated value was calculated for the 23-year-old Manchester United forward Marcus Rashford: €165 M. With only 18 months of contract remaining, the former leader Kylian Mbappé falls back to fifth place.

No professional footballer has played as many minutes in official matches in the calendar year 2020 as Manchester United’s centre back Harry Maguire. Up until December 17th, the English international was fielded during 4’745 minutes (53 matches). The top 100s for both goalkeepers and outfield players are available in issue number 318 of the CIES Football Observatory Weekly Post.

Data is more than ever a must when it comes to scouting. The CIES Football Observatory has developed a unique methodology to assess the performance of players on an objective basis. Using the data from InStat, issue number 317 of the Weekly Post presents the 10 best performing footballers born in the 2000s for each of the six areas of the game covered in our approach.

Issue number 316 of the CIES Football Observatory Weekly Post compares clubs from 31 top divisions of UEFA member associations according to the average age at which they recruited their current players (not including footballers from the youth academy). CSKA Moscow made the earliest recruitment (21.1 years), ahead of FC DAC 1904 (21.7) and SC Heerenveen (22.1).

Issue number 315 of the Weekly Post highlights the big-5 league players whose transfer value has increased the most in November according to the CIES Football Observatory algorithm. The Norwegian prodigy Erling Haaland tops the table for footballers with a transfer valuation of more than €80M: €155M compared to €120M at the end of October (+€35M).

Issue number 314 of the CIES Football Observatory Weekly Post presents the ten most represented foreign origins in 126 professional leagues worldwide. The Brazilians represent the biggest contingent of expatriates in 23 championships, followed by the Argentineans (15) and the French (13). The Atlas of migration presents more exclusive data on international transfer networks.

Issue number 313 of the CIES Football Observatory Weekly Post presents the 100 players from the 10 best European leagues who won the highest percentage of aerial defensive duels since the start of the season. Chelsea’s centre-back Kurt Zouma tops the table with 26 aerial duels won out of 27 (96.3%). Berat Djimsiti (Atalanta) and Harry Maguire (Manchester United) complete the podium.

Issue number 312 of the Weekly Post presents the exclusive CIES Football Observatory annual rankings of the clubs having trained the most players active in 31 top divisions of UEFA member associations. With 85 footballers trained, the Serbian side FK Partizan tops the table ahead of AFC Ajax (77) and Dinamo Zagreb (71). With respect to big-5 league players, the podium consists of Real Madrid (43), Barcelona (32) and Lyon (31).

Alphonso Davies (Bayern Munich) heads the exclusive CIES Football Observatory list of the highest estimated transfer values for big-5 league players born in the 2000s: €180 M. The Champions League winner outranks Jadon Sancho (Borussia Dortmund, €125 M) and Ansu Fati (Barcelona, €123 M). The top 100 is available in issue number 311 of the Weekly Post.

Issue number 310 of the CIES Football Observatory Weekly Post ranks teams from 67 top divisions worldwide according to the average age of line-ups fielded in the current season. The lowest figure among teams from countries in the top 20 positions of the UEFA club association ranking was measured for the Danish side Nordsjælland (22.7 years), ahead of Famalicão and Den Haag.

Issue number 309 of the CIES Football Observatory Weekly Post presents players having committed and suffered the most fouls per minute in 33 European championships according to the data provided by our partners InStat. With one foul suffered every 20’39”, Neymar (PSG) heads the rankings for big-5 league footballers.

Issue number 308 of the Weekly Post presents the annual CIES Football Observatory analysis on the transfer fee expenditure to assemble the squad by big-5 league teams. As for 2019, Manchester City tops the table with an estimated 1.036 billion euro invested in transfer indemnities to sign their current players (including add-ons).

Issue number 307 of the CIES Football Observatory Weekly Post ranks clubs having played at least 27 domestic league matches since 01/10/2019 according to the number of players fielded. The sample is composed of 1,014 top or second division teams from 50 countries across the world. The Brazilian club Avaí FC tops the table with 59 players used, 37 more than the two teams having fielded the least footballers: Halmstad (Sweden) and Wellington Phoenix (New Zealand).

Issue number 306 of the CIES Football Observatory Weekly Post presents the 127 footballers having scored at least 10 goals in 94 top division leagues worldwide during the calendar year 2020. The 33-year-old Brazilian Júnior Negão from the South Korean team of Ulsan Hyundai tops the list with 24 goals, two more than the 35-year-old Portuguese superstar Ronaldo from Juventus.

Issue number 305 of the CIES Football Observatory Weekly Post ranks 80 top divisions worldwide according to the percentage of minutes by 21-year-old or younger players since the 2015/16 (or 2015) season. The lowest percentage among the five major European leagues was recorded in the English Premier League (7.1% of minutes), while the highest was measured in the French Ligue 1 (15.4%).

Home teams traditionally win more matches than away ones. This is often explained by the support of local fans. Issue number 304 of the CIES Football Observatory Weekly Post analyses the difference in the percentage of home wins before and after the COVID-19 pandemic in 63 leagues worldwide. It reveals that the home advantage persisted without spectators, even though in a less marked way.