49ers place star linebacker Fred Warner on COVID-19 list
San Francisco 49ers Place Former BYU LB Fred Warner On Reserve
Coronavirus: San Francisco 49ers put Brandon Aiyuk, Trent Williams
49ers place linebacker Fred Warner on Reserve/COVID-19 list
49ers have activated Fred Warner from the Reserve/Covid-19 list
Bucs Activate Ryan Succop, Add to Practice Squad
The 49ers hold down COVID-19 - Whoops, except for Fred Warner
49ers Place Star Linebacker Fred Warner On COVID-19 List - CBS
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Chargers vs. 49ers: News, analysis and updates ahead of preseason