NBC Sports - Paul Krause's 81 career interceptions are an NFL
Found this Bleacher Report article from 2011 - 25 Most Unbreakable
The 50 Most “Unbreakable” Records in Sports : 35-31
20 Years Later, Emmitt's Record Looks Unbreakable
Gretzky, Leonard & Smith to Speak in the Desert at Agua Caliente
20 Years Later, Emmitt's Record Looks Unbreakable
50 Most Unbreakable NFL Records
The 15 Most Unbreakable Records in NFL History
Emmitt Smith's all-time rushing record will never be broken
Unbreakable NFL records: Emmitt Smith TDs, Bruce Smith sacks
What do you guys think is actually the most unbreakable record in
The Most Unbreakable NFL Records of All Time
Y2K Films: “I'm Not a Mistake”: 20 Years of Unbreakable - The
Unbreakable NFL records: Emmitt Smith TDs, Bruce Smith sacks