Eagles have the league's best defense of the past 30 years - Bleeding Green Nation
Philadelphia Eagles' 1991 defense named the greatest of past 30 years
Philadelphia Eagles: Top 50 Players in Franchise History, News, Scores, Highlights, Stats, and Rumors
The 1991 Philadelphia Eagles: The Greatest Defense You've Never Heard Of : r/nfl
The 1991 Philadelphia Eagles: The Greatest Defense You've Never Heard Of : r/nfl
Philadelphia Eagles: Top 50 Players in Franchise History, News, Scores, Highlights, Stats, and Rumors
Philadelphia Eagles - The #Eagles 1991 Gang Green squad was named the best defense of the past 30 years by Football Outsiders. A look back: phieagl.es/ 2dE4v40
Philadelphia Eagles: Top 50 Players in Franchise History, News, Scores, Highlights, Stats, and Rumors
Football Outsiders: 1991 Eagles defense is best in last 30 years