As in: “Knowledge of the sport, its players and teams, and an affinity for sports in general or basketball specifically need not be present for an individual to reap a clear benefit and enjoyment from participating in the men’s bracket competition” (Markovits & Albertson, 2012, pp. 131-132).
Markovits, A. S., & Albertson, E. K. (2012). Sportista: Female fandom in the United States. Philadelphia: Temple University Press.
For definitions of affinity, consult the Oxford English Dictionary.
To learn more about the March Madness, consult the Credo Reference Collection.