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PITTSBURGH, PA - NOVEMBER 18: Otis Armstrong #24 of the Denver Broncos carries the ball against the Pittsburgh Steelers during an NFL football game at Three Rivers Stadium November 18, 1973 in Pittsburgh, Pennsylvania. Armstrong played for the Broncos from 1973-80. (Photo by Focus on Sport/Getty Images)

PITTSBURGH, PA - NOVEMBER 18: Otis Armstrong #24 of the Denver Broncos carries the ball against the Pittsburgh Steelers during an NFL football game at Three Rivers Stadium November 18, 1973 in Pittsburgh, Pennsylvania. Armstrong played for the Broncos from 1973-80. (Photo by Focus on Sport/Getty Images)