Chris Borland, Fearing for Health, Retires From the 49ers. At 24. - The New York Times
Few surprises among NFL's top teams so far this season
Former BYU LB Ranked Among Top Players On NFL's Top 100 List
49ers overreactions: Has offense surpassed defense as team's greatest strength? – NBC Sports Bay Area & California
Patrick Mahomes tops NFLPA's most recent top-50 player sales list - NBC Sports
Trio of Dallas Cowboys among leaders in NFL jersey sales for 2022 season
Fred Warner San Francisco 49ers Nike Vapor F.U.S.E. Limited Jersey - White
Top 50 NFL Player Sales List March 1, 2021-May 31, 2021
San Francisco 49ers - Wikipedia