Previous research on sports rivalry has emphasized fans’ social identity and the threat posed by rivals. Much of this scholarship is based on intercollegiate sports, where many fans, such as students and alumni, have a formally defined identity with the university. In this study, fans (N = 4,828) across five major professional leagues—Major League Baseball (MLB), Major League Soccer (MLS), National Basketball Association (NBA), National Football League (NFL), and National Hockey League (NHL)—are surveyed to compare their animosity toward rivals based on four variables: schadenfreude,...Read more