Broncos are sputtering because John Elway can't find a quarterback - The Boston Globe
Following positive COVID-19 tests, NFL 'comfortable' there is no ongoing transmission among Broncos' 'day-to-day operations'
Covid-19 Cases Are Surging in America—and the NFL - WSJ
Broncos Legend, GM John Elway Tests Positive for COVID-19
Broncos GM Elway, team president Ellis positive for COVID-19
Broncos cancel practice after another player tests positive
Source - Broncos' Von Miller suffers potentially season-ending ankle injury - ESPN
OLB Von Miller tests negative for COVID-19
Broncos play Saints with no quarterback as Covid-19 ravages NFL, Denver Broncos
Denver Broncos' John Elway tests positive for Covid-19
Broncos executives John Elway, Joe Ellis test positive for COVID-19 – The Denver Post
Broncos cancel practice after strength coach's COVID-19 test - Sentinel Colorado