Issue 462 of the CIES Football Observatory Weekly Post analyses the territorial anchorage of almost 1,000 teams in 58 leagues around the world from the point of view of the proportion of national players and club-trained footballers among those fielded in the domestic league over the last year. The territorial anchorage index reflects the gap from the general average for these two variables, with a maximum score for Athletic Club (100% of nationals and 62% of ‘trained’).

The 461st CIES Football Observatory Weekly Post presents the 100 players in the world who have not yet celebrated their 20th birthday having accumulated the most playing experience* during the last year. The highest ’experience capital’ score was recorded for Benfica’s midfielder João Neves. The Portuguese international has played no less than 4,905 official game minutes, of which 97% as a starter, at an excellent level over the last 365 days.

Issue number 460 of the CIES Football Observatory Weekly Post ranks 30 leagues around the world according to a ’fast runs’ index based on three physical variables produced exclusively by SkillCorner: sprints, speed and accelerations.

Issue number 459 of the CIES Football Observatory Weekly Post presents the world’s top 100 players who have not yet turned 23 and whose transfer value has increased the most over the last six months. Barcelona’s and Spain’s 16-year-old prodigy Lamine Yamal tops the list with an increase of €134m (from €11m to €145m).

The 458th CIES Football Observatory Weekly Post highlights the teams in 61 leagues around the world having fielded U21 footballers for the highest percentage of minutes in the domestic league matches played over the last 365 days.

Issue number 457 of the CIES Football Observatory Weekly Post ranks almost 800 clubs from 48 leagues around the world according to the average age of recruitment of the first team players signed over the last ten transfer windows (July 2019 to date). The lowest value overall was recorded for the Austrians of RB Salzburg (20.93 years), while the highest was measured for the Qatari side Al-Gharafa SC (30.27 years).

The Weekly Post number 456 of the CIES Football Observatory presents the ten players with the highest estimated transfer values across 66 leagues worldwide (the most important outside the big-5).

The 455th CIES Football Observatory Weekly Post ranks teams from 54 leagues around the world according to their shooting efficiency. The latter was measured from the residuals of a statistical model explaining 78% of the differences in goals scored per team (not including penalties).

The 454th CIES Football Observatory Weekly Post presents the 20 outfield players for six positions playing in 28 leagues around the world whose number of accelerations* per match (SkillCorner data) deviates most positively from the value expected with respect to their position and their team’s style of play (level of possession, pressure and verticality), according to a statistical model explaining more than half of the differences observed between players.

Issue number 453 of the CIES Football Observatory Weekly Post analyses the StatsPerform and Wyscout data on the number of cards, fouls and injury time measured over the last year for 71 leagues around the world. The study shows major differences between leagues in terms of all the indicators taken into account, reflecting different ways of interpreting the game by both players and referees.

Number 452 of the CIES Football Observatory Weekly Post presents the 169 clubs in the world whose volume of incoming or outgoing player transactions over the last five seasons exceeded the €100 million threshold, as well as their net spending for the last ten, the last five and the last season.

On this Valentine’s Day, the CIES Football Observatory Weekly Post highlights the footballers from 60 leagues around the world who have been in the first team squad of their current club for the longest uninterrupted period.