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Competing Against Former Teammates Predicts Team Victory
Satyam Mukherjee1, Yun Huang2, Brian Uzzi3,4
1School of Management and Entrepreneurship, Shiv Nadar University, Greater Noida, India.
Sports Economics Review
|November 13, 2024
Summary
Rivalries between former teammates significantly impact sports match outcomes. A team with fewer players facing ex-teammates has a competitive advantage, a factor termed the "ecosystem" effect.
Area of Science:
- Sports analytics
- Social network analysis in sports
- Team dynamics
Background:
- Research on team competition often overlooks inter-team relationships.
- Prior work focuses on within-team dynamics and individual player strength.
- The influence of past associations between players on opposing teams is understudied.
Purpose of the Study:
- To investigate the impact of former teammates playing against each other on match outcomes.
- To quantify the effect of these inter-team relationships on competitive performance.
- To introduce and validate the "ecosystem" factor in sports analytics.
Main Methods:
- Analysis of 8 seasons of Indian Premier League (IPL) data.
- Regression modeling to assess the impact of the "ecosystem" factor.
- Stochastic network models to analyze player relationships and match results.
Main Results:
- The "ecosystem" factor, defined as the difference in the number of players facing former teammates, significantly predicts match outcomes.
- Teams with fewer players facing ex-teammates demonstrate a competitive advantage.
- The effect holds true across numerous IPL matches.
Conclusions:
- Past associations between players on opposing teams are a critical, yet often overlooked, determinant of sports match success.
- Franchise owners should consider the "ecosystem" factor when recruiting players, beyond individual skill.
- Leveraging inter-team rivalries can provide a strategic advantage in player acquisition and team performance.
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