Who are the best passing players in professional soccer? A machine learning approach for classifying passes with different levels of difficulty and discriminating the best passing players.

Journal: PloS one
PMID:

Abstract

The present study aimed to assess the use of technical-tactical variables and machine learning (ML) classifiers in the automatic classification of the passing difficulty (DP) level in soccer matches and to illustrate the use of the model with the best performance to distinguish the best passing players. We compared eight ML classifiers according to their accuracy performance in classifying passing events using 35 technical-tactical variables based on spatiotemporal data. The Support Vector Machine (SVM) algorithm achieved a balanced accuracy of 0.70 ± 0.04%, considering a multi-class classification. Next, we illustrate the use of the best-performing classifier in the assessment of players. In our study, 2,522 pass actions were classified by the SVM algorithm as low (53.9%), medium (23.6%), and high difficulty passes (22.5%). Furthermore, we used successful rates in low-DP, medium-DP, and high-DP as inputs for principal component analysis (PCA). The first principal component (PC1) showed a higher correlation with high-DP (0.80), followed by medium-DP (0.73), and low-DP accuracy (0.24). The PC1 scores were used to rank the best passing players. This information can be a very rich performance indication by ranking the best passing players and teams and can be applied in offensive sequences analysis and talent identification.

Authors

  • Murilo Merlin
    School of Physical Education, University of Campinas, Campinas, Brazil.
  • Allan Pinto
    Brazilian Center for Research in Energy and Materials (CNPEM), Brazilian Synchrotron Light Laboratory (LNLS), Campinas 13083-100, Brazil.
  • Felipe Arruda Moura
    Laboratory of Applied Biomechanics, State University of Londrina, Avenue Gil de Abreu e Souza, 2335, Unidade 1121, Esperança, Londrina 86058-100, Brazil.
  • Ricardo da Silva Torres
    Department of ICT and Natural Sciences, Faculty of Information Technology and Electrical Engineering, NTNU - Norwegian University of Science and Technology, Ålesund, Norway.
  • Sergio Augusto Cunha
    School of Physical Education, University of Campinas, Campinas, Brazil.