Dennis Johnson - defensive tackle - died in 1997.
Heart attack
Dennis Johnson died on February 22, 2007 at the age of 52.
Dennis Arundell died in 1988.
Dennis Grainger died in 1987.
Dennis Ridge died in 1966.
Dennis Hennig died in 1993.
Dennis Sharp died in 2010.
Dennis Dyer died in 1990.
Dennis Brookes died in 2006.
Dennis Kincaid died in 1937.
Nigel Dennis died in 1989.
Dennis McKinsey died in 2009.