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NFL schedule: List of games rescheduled due to COVID-19 - Sports Illustrated
Timeline of the NFL COVID-19 outbreak -- How positive tests led to postponed games - ESPN
Record-high 47 NFL players added to COVID-19 list in a single day
Major sports and entertainment events canceled, rescheduled due to rising COVID-19 cases - ABC News
COVID rages across the U.S. again just as Americans gather for the holidays : NPR
Three NFL games moved due to COVID-19 outbreaks