Fred Warner's contract puts Chiefs linebacker costs in perspective
49ers believe Fred Warner's coverage ability underrated among linebackers – NBC Sports Bay Area & California
NFL Power Rankings: 49ers Stay Put at No. 1 Following #SFvsLAR
Patrick Kinahan: Fred Warner makes mark as best defensive NFL player from BYU
Column: NFL Locals: 'San Diego 49ers' have questions to answer this offseason - The San Diego Union-Tribune
49ers vs. Eagles: Defense position-by-position breakdown
Seahawks vs 49ers Odds, Picks and Predictions - San Fran can rebound against the Seahawks.
Behind Enemy Lines: Injuries on 49ers defense could help Bengals get back on track - Cincy Jungle
Where 49ers' Fred Warner, Dre Greenlaw sit in PFF's linebacker ranking
How the 49ers' dominant defense works from front to back
N.F.L. Playoff Predictions: Our Picks in the Wild-Card Round - The New York Times
49ers news: PFF ranks 49ers Fred Warner as the top linebacker in the NFL - Niners Nation
Nickel Coverage: How the 49ers Defense Has Emerged as the Best Unit in the NFL
San Francisco 49ers 2023 NFL Preview: Super Bowl contenders, even with QB questions