Chuck Bednarik, Eagles' Man of Concrete, Dies at 89 - The New York Times
Chuck Bednarik - Wikipedia
Chuck Bednarik, Eagles' Hall-of-Fame Linebacker, Dies at 89 - WSJ
Inductees, Football Players & Coaches
Chuck Bednarik, NFL Hall of Famer, Football Legend
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Chuck Bednarik dies: Philadelphia Eagles Hall of Famer was 89 - Sports Illustrated