The purpose of this study was to determine the role of mediator of competitive advantage and organizational reputation in the causal relationship between social responsibility and Team performance of Persepolis Club. The research method is descriptive-survey in terms of purpose and applied with a structural equation approach.The statistical population included all Persepolis fans and the sample size according to Morgan table was 384 people (randomly).The Ressler's Club Reputation Questionnaire (2010), Hosseini's Competitive Advantage (2011), Galbrith Social Responsibility (2010), Glenn Team Performance (2003), Hosseini (2016), Cooper and Satter (2011) were used. Descriptive and inferential statistics with SEM approach were used to analyze the data; The results were analyzed using SPSS22 and Smart PLS3 software. It was found that social responsibility has a positive and significant effect on team performance, competitive advantage and organizational reputation. The direct and significant effect of reputation on team performance and the mediating role of reputation was minor confirmed. However, the effect of competitive advantage on team performance and the mediating role of competitive advantage was not confirmed. It is suggested that Persepolis, by performing social responsibilities in economic, ethical, legal and humanitarian dimensions, promote the reputation, competitive advantage and team performance of the club.