49ers close facility after positive COVID-19 test a day before game against Packers
PFF50: The 50 best players in the NFL right now, NFL News, Rankings and Statistics
Kyle Shanahan weighs in on Fred Warner's COVID list addition
Kyle Shanahan, San Francisco 49ers 'very grateful' to have linebacker Fred Warner back after stint on COVID-19 list - ESPN
San Francisco 49ers Place Former BYU LB Fred Warner On Reserve/COVID-19 List
49ers Place Star Linebacker Fred Warner on Reserve/COVID-19 List – NBC Bay Area
49ers place linebacker Fred Warner on COVID-19 list
49ers' Fred Warner says big contract has weighed on him, 'but I'm past it'