Fred Warner and Dre Greenlaw pushing to top of 49ers' linebacking history
Golden Nuggets: 49ers LB Fred Warner's contract reads like a three-year, $42 million deal, per Spotrac. - Niners Nation
Fred Warner contract extension last big item for 49ers for awhile
San Francisco 49ers LB Fred Warner signs 5-year extension, becomes the highest-paid linebacker in the NFL, NFL News, Rankings and Statistics
Linebacker Fred Warner helps steady banged-up 49ers' defense
Fred Warner and Dre Greenlaw pushing to top of 49ers' linebacking history
What Fred Warner means to the 49er defense - Niners Nation
Fred Warner (American football) - Wikipedia
No Contract Talks Yet Between 49ers, Fred Warner
Details On Fred Warner's 'Unique' 49ers Extension