49ers give contract extensions to coach Kyle Shanahan and GM John Lynch - The San Diego Union-Tribune
49ers' Justin Smith joins retirement stampede – Santa Cruz Sentinel
Love-hate' for Justin Smith, arm brace
2021 San Francisco 49ers season - Wikipedia
Inside the 49ers: Justin Fields' final audition goes stealth like those of Montana, Smith, Kaepernick – Daily Democrat
Leaders speaking up in 49ers locker room
49ers Hosted Seven Running Backs For Visits, Signing RB Marlon Mack To PS
49ers report: NFC champs hope modest changes bring major results
49ers practice report: Bosa ready for his shot at Comeback Player of the Year – Daily Democrat
Justin Smith contract extension: What does it mean for Tank Carradine? - Niners Nation
Breaking down Nick Bosa's massive extension with the 49ers
49ers' Justin Smith decides to retire – The Mercury News
Are this year's 49ers the all-time kings of Bay Area sports badassdom?
San Francisco 49ers, American Football Wiki