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Soccer Defender Analytics – An analysis of Imbalance in Soccer Player Evaluations
- Program: Computer Science
- Course: EN.601.513 Group Undergraduate Project
- Year: 2025
Project Description:
In this project, we investigated the undervaluation of soccer defenders in player rating systems by leveraging data analytics and machine learning techniques. Using player performance data from the top five European leagues across multiple seasons, we built predictive models to estimate player ratings based on defensive-specific metrics. Our analysis revealed a systemic bias that favored attacking players, often overlooking defensive contributions. To address this, we developed an adjusted rating system that reweights defensive actions such as tackles, interceptions, and blocks to better reflect a defender’s true impact on the game. Visualizations including bar charts, box plots, and scatter plots helped communicate these findings, showing how defenders’ rankings improved after adjustment. The project not only highlighted the limitations of traditional player evaluations but also provided a data-driven solution to promote fairer recognition of defensive talent in professional soccer. This work offers valuable insights for clubs, analysts, and fans alike.
Project Photo:
Defender executing a crucial slide tackle on a forward during a UEFA Champions League final, exemplifying the vital role of defenders in high-pressure matches.