Toughest Football Players in NFL History
Shoot the Breeze: Jack Tatum
Heart of a Champion: The 40 Toughest Players in NFL History
Gil Brandt's greatest NFL safeties of all time
Top 10 Hardest Hitters in NFL History - Listverse
Top 10 Hardest Hitters in NFL History - Listverse
Power Ranking the 25 Toughest NFL Players of All-Time
Jack Tatum — hard-hitting Buckeye, Raider — dies
Jack Lambert's Top Plays Pittsburgh Steelers Hall of Fame