Defense has given 49ers the edge over Cowboys, can it deliver again?
AP source: 49ers close facility after positive COVID-19 test
49ers' Kyle Shanahan: Fred Warner landing on COVID-19 list 'a reminder that this stuff is out there'
Fred Warner: Stats & Injury News
49ers activate left tackle Trent Williams off COVID-19 list
Coronavirus: 49ers star Fred Warner comes off COVID-19 list four days before season stars – Santa Cruz Sentinel
49ers LB Fred Warner ranked 20th best NFL player by PFF
49ers Activate DB From Reserve/COVID-19 List; Make Several Other Moves
Fred Warner's placement on COVID-19 list shows 49ers must be prepared – NBC Sports Bay Area & California
49ers putting talented roster in QB Trey Lance's hands
49ers waive Takk McKinley, add Brandon Aiyuk, Trent Williams, Daniel Helm to reserve/COVID-19 list
Fred Warner: Player News - NBC Sports - NBC Sports