目次 1. Introduction2. 1. The Premise of the Analysis: “Pure Possession Time” in 90 Minutes3. 2. Ranking of Ball Possession Time for All 27 Players4. 3. Havertz: Carving History in “1 Minute and 9 Seconds”5. 4. Vitinha: Governing the Pitch for “5 Minutes and 12 Seconds”6. Postscript Introduction In a 90-minute football match, it is often said that the amount of time a single player spends in actual possession of the ball is surprisingly short. Johan Cruyff once remarked: “Players are in possession of the ball for an average of only three minutes. Therefore, what they do during the other 87 minutes is what matters most.” This highlights the critical importance of “off-the-ball” movement. The character Ego Jinpachi from the manga Blue Lock goes even further, providing a specific average value of “approximately 136 seconds (2 minutes and 16 seconds).” Recently, I decided to record every single play involving the ball during the first and second halves of the 2026 UCL Final (PSG vs. Arsenal), a stage where the world’s best compete. Since I had all this data, I took the logs of all 1,687 events and calculated the ball possession time for every player in seconds. And because I … Continue reading 【Data Analysis】Calculated Ball Possession Time for Every Player in the UCL Final. The Story of Kai Havertz’s 1-Minute-9-Second Impact and Vitinha’s 5-Minute-12-Second Dominance