Although there is developing knowledge of relationship marketing, it is scant of empirical evidence from spectator sports context. The present study was to investigate indirect interaction phenomenon between fan and team sports, based on consumer-dominant logic. This research was to adopt survey method and purposive sampling. Super Baseball League (SBL) of 208 fans as respondents was recruited in major metropolitan field. SEM and Process macro were conducted to test direct and indirect effects. Results indicated that affective commitment was partial mediator between similarity and openness. According to results, the conclusion and management implication are discussed for management of fan and team sports of relationship development.