OTL: The Franchise - ESPN
Nick Bosa Leads NFL Sack Count; Stats and Facts from #MIAvsSF
Ranking every Super Bowl game from best to worst: 49ers have been on both ends
This Day in The Bay: 49ers Defeat Cincinnati Bengals in Super Bowl XXIII
Bengals–Browns rivalry - Wikipedia
St. Louis Rams - Wikipedia
The most significant worst-to-first NFL teams
Madden NFL Covers Through the Years - Sports Illustrated
This Week in NFL History: May 14 through May 20