Ex-Giants, Seahawks running back Dan Doornink dead at 70 after battling 'rare autoimmune diseases' for years Nov 6, 2026 @ 10:51amFootball > NFL > New York Giants > Seattle SeahawksDaily Mail US SportFormer Seattle Seahawks and New York Giants running back Dan Doornink has died after years of battling autoimmune diseases. He was 70. Read moreEx-Giants, Seahawks running back Dan Doornink dead at 70 after battling 'rare autoimmune diseases' for years