Abstract
The availability of massive data about sports activities offers nowadays the
opportunity to quantify the relation between performance and success. In this
work, we analyze more than 6,000 games and 10 million events in the six major
European leagues and investigate the relation between team performance and
success in soccer competitions. We discover that a team's success in the
national tournament is significantly related to its typical performance.
Moreover, we observe that while victory and defeats can be explained by the
team's performance during a game, draws are difficult to describe with a
machine learning approach. We then perform a simulation of an entire season of
the six leagues where the outcome of every game is replaced by a synthetic
outcome (victory, defeat, or draw) based on a machine learning model trained on
the previous seasons. We find that the final rankings in the simulated
tournaments are close to the actual rankings in the real tournaments,
suggesting that a complex systems' view on soccer has the potential of
revealing hidden patterns regarding the relation between performance and
success.
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