History suggests 0-2 start is too difficult to overcome in the NFL
Vikings place three QBs, including Kirk Cousins, on reserve/COVID-19 list
NFL Power Rankings, Week 15: Aaron Rodgers' toe is a pain, Father Time finds Tom Brady, other worst-case scenarios - The Athletic
How the surge in COVID-19 cases unfolded in the sports world - The Boston Globe
Vikings QB depth chart: Sean Mannion in line to start after Kirk Cousins' positive COVID test
How NFL teams are trying to protect QBs like Kirk Cousins from COVID-19 -- and not always successfully - ABC7 San Francisco