Chris Borland retires: The NFL's troubling CTE comments - Sports Illustrated
Roger Goodell on Chris Borland, playoff expansion, NFL in Los Angeles - Sports Illustrated
Ex-49ers LB Chris Borland doesn't think football can be saved
NFL concussions: Alter grad Chris Borland speaks out about Tua Tagovailoa injury
NFL rumors: Latest buzz on trades, free agency, NFL draft - Sports Illustrated
B Nabel, NFL health and medical adviser, on head injuries, more - Sports Illustrated
Playing football safer than riding a bike?, Sports
Former NFL player Chris Borland helps athletes and veterans adjust to retirement
49ers ex-linebacker Chris Borland salutes Pat Tillman