Issue number 417 of the CIES Football Observatory Weekly Post presents the percentage of minutes played by footballers who had not yet turned 20 in domestic league matches played over the last five years by 1,168 clubs in 76 leagues worldwide. Denmark’s Nordsjælland crushes the competition with a record percentage of 37%.

Weekly Post’s issue number 416 presents the 100 U23 players outside the big-5 with the highest estimated transfer values according to the CIES Football Observatory’s statistical model. Benfica’s centre-forward Gonçalo Ramos tops the list with an estimated value of about €70 million, ahead of three centre backs: António Silva (€66m), Gonçalo Inácio (€62m) and Jurriën Timber (€57m).

Issue number 415 of the CIES Football Observatory Weekly Post ranks 76 leagues worldwide according to the number of cards per match handed out by referees since 1 January 2020. Bolivia’s Primera División tops the list (7.01 cards per game, including 0.55 reds), while Japan’s J2 League is at the opposite end of the spectrum (1.99 cards per match, including 0.05 reds).

Issue 414 of the CIES Football Observatory Weekly Post ranks 126 associations worldwide according to the average age of their senior men’s national team lineups fielded in the last year. The maximum was recorded for Kuweit (29.76 years), while the minimum was observed for Bahamas (22.82 years). In Europe, the values range from 29.40 years for Belgium to 25.07 years for Turkey.

Issue number 413 of the CIES Football Observatory Weekly Post presents the top 100 clubs in the world according to the estimated value of transfer rights held on players in the squad, on loan to other teams or sold with a sell-on percentage. Manchester City top the list with the ownership of transfer rights on no less than 46 players for a total estimated value of €1.46 billion.

Issue 412 of the CIES Football Observatory Weekly Post analyses WyScout data on domestic league assists made by players in 75 championships around the world over the last 365 days. By weighting the number of assists with the sporting coefficient of the matches played, Kevin De Bruyne comes out on top ahead of Ousmane Dembélé and Lionel Messi.