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Raiders TE Lee Smith believes his father, ex-NFL player, had CTE, Raiders News
Who has been our biggest “what if” player? : r/49ers
The Future of Football: Football wrestles with its violent nature — Is the NFL doing enough? - San Francisco Chronicle
Kent Babb Archive
NFL history: 100 people who shaped the league, pro football - Sports Illustrated
Raiders' Lee Smith Has Awesome (And Accurate) Defense Of Personal Foul Penalty
What NFL players had legendary work ethics? : r/nfl
Raiders TE Lee Smith believes his father, ex-NFL player, had CTE, Raiders News
Who are some NFL players whose NFL careers started strong but went downhill quickly? - Quora
Effects of head trauma scaring Turley
The Short Life And Career Of Junior Seau (Story)