“…A good theoretical base is essential to be able to connect the concepts that are evaluated, providing a base on which to build new knowledge and understand why different events may or may not occur [90,91]. The self-determination theory was the most used in four studies [1,12,74,89], followed by the theory of planned behavior, with three studies [46,67,70], and the theory of social exchange [66,78] and the theory of involvement of the sports fan [32,68], with two studies each. Kim and Cuskelly [79] stated the limitations of the theory of planned behavior in sports volunteering when considering a linear decisionmaking process, which does not consider changes in future intentions and behavior change over time.…”