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.

The 303rd edition of the CIES Football Observatory Weekly Post presents the big-5 league players whose transfer value would increase the most if their contract with the club of belonging was extended for an additional year. The most positive gap overall was recorded for Jadon Sancho (+€43M), ahead of Kylian Mbappé (+€39M) and Lionel Messi (+€35M).