Nerf football inventor, ex-Vikings kicker Fred Cox dies at age 80
Notable sports deaths in 2019 - The Boston Globe
Fred Cox, former Vikings kicker and Nerf football co-inventor, dies at 80 - The Washington Post
Legendary Viking, NERF Inventor, was Monticello's Own - North Wright County Today
Kickin' it with Fred Cox, NERF football inventor
Vikings kicking great Fred Cox passes at 80
Los Angeles Chargers CB Michael Davis issued two-game suspension
Former Vikings kicker Fred Cox, one of the Nerf football inventors, dies