Anatomy of an American football game: Player to player contact before, during and after an NFL game in context of the 2020 COVID-19 pandemic.

There is limited and short contact between and among competing players in professional American football. In the setting of infectious disease such as the COVID-19 pandemic, a robust prevention program integrating masking, distancing, hygiene and ventilation when off-field can be created to minimize on-and-off-field exposures, which effectively reduces transmission risk in outdoors and/or well-ventilated stadium settings.