“…as diverse as a corruption scandal (Buraimo et al, 2016), an influenza virus outbreak (Gitter, 2017), college football player protests , increasing terror alert levels (Kalist, 2010), or the announcement of performance-enhancing drug violations (Cisyk & Courty, 2017). Interestingly, though frequently included as control variables, only a few authors have centered their study on the potential effects of match fixtures/scheduling (Goller & Krumer, 2020;Krumer, 2020;Paul et al, 2004) or both environmental effects and the weather (e.g., Cairns, 1984;Ge et al, 2020;Ito et al, 2016). Among the latter, Watanabe et al 2019, for instance, explored the potential role of air pollution in shaping stadium attendance demand in the Chinese Super League, thus paving an interesting new way towards a better understanding of how spectators respond to potential health threats on matchday -a theme that will certainly gain more importance in the future (e.g., Reade et al, 2020b).…”