The partnership with the football data company InStat allows the CIES Football Observatory to present exclusive analysis on the technical performance of teams from 35 European competitions. Issue number 269 of the Weekly Post highlights domestic league matches during which a team had the highest percentage of ball possession (calculated out of effective playing time). The record figure for current season was measured for Fulham against Millwall on the 21st August: 78.7%.

Issue number 268 of the CIES Football Observatory Weekly Post presents the percentage of domestic league minutes played by footballers signed at the start of the season for all of the big-5 league clubs. Last Champions League finalists, Tottenham (5.0%) and Liverpool (8.3%), as well as Manchester City (7.7%), are among the 14 teams where new recruits played less than one tenth of minutes.

Issue number 267 of the CIES Football Observatory Weekly Post analyses the exclusive data produced by our partners InStat by ranking Champions League teams according to the average length of the passes achieved in domestic league games so far this season. Past edition semi-finalists Ajax have the lowest figure (15.96 meters), ahead of Paris St-Germain (16.17) and Barcelona (16.56).

For the first time in history, a football club invested more than one billion euro in transfer indemnities to assemble its squad: Manchester City. Following last summer transfer window, two clubs are close to this figure: Paris St-Germain (€913 million) and Real Madrid (€902 million). Issue number 266 of the CIES Football Observatory Weekly Post presents the data for all teams in the big-5.

Issue number 265 of the Weekly Post presents the 100 players from the five major European leagues with the highest transfer values according to the freshly updated and further improved CIES Football Observatory algorithm. Three forwards are in the top three positions: Kylian Mbappé (€252M), Mohammed Salah (€219M) and Raheem Sterling (€208M).

What is the percentage of points needed to win the title in the five major European leagues? Issue number 264 of the CIES Football Observatory Weekly Post answers this question for the last twenty seasons. The analysis reveals a progressive increase in the percentage of points achieved by champions.

Issue number 263 of the CIES Football Observatory Weekly Post analyses the average length of passes by teams from 35 European domestic leagues. The study highlights big discrepancies in playing styles. There are almost 8 meters difference between the teams that executed the longest and shortest passes: Rotherham United (23.42m) and Paris St-Germain (15.85m).

Issue number 262 of the CIES Football Observatory Weekly Post presents the three best and worst teams per league in terms of points that they should have achieved according to their pitch production. Virtual points were projected according to a statistical model including shots taken and conceded (both on target and from the box), as well as the percentage of ball possession.

Issue number 261 of the Weekly Post presents the top 50 list of the U20 players from the big-5 with the highest transfer value according to the CIES Football Observatory algorithm. The English full international Jadon Sancho heads the table with an estimated value of €150M. Borussia Dortmund’s winger outranks Arsenal’s Mattéo Guendouzi (€70M) and AS Roma’s Nicolò Zaniolo (€67M).

The 260th edition of the CIES Football Observatory Weekly Post analyses the age at which players fielded during this season in 24 European top divisions were signed by their clubs of employment. Academy graduates are not included in the sample. RB Leipzig recruited its footballers at the youngest age (21.43 years on average), while MKE Ankaragücü signed them at the oldest one (29.28 years).

Marcelo Guedes (Olympique Lyonnais) heads the big-5 league rankings of players having won the highest percentage of defensive air challenges in domestic league matches this season: 136 out of 159 (85.5%). The Brazilian outranks three English Premier League players: Harry Maguire, Virgil van Dijk and Shane Duffy. The top 50s for the big-5 and 26 other European competitions are available in issue number 259 of the CIES Football Observatory Weekly Post.

Issue number 258 of the CIES Football Observatory Weekly Post ranks 27 top division leagues of UEFA member countries according to the percentage of goals scored during the current season by expatriate footballers. At the top of the table is Cyprus (86.8% of foreign goals), ahead of Turkey (80.7%) and England (68.8%).