Researchers Confirm Steve McMichael Had Posthumous CTE Diagnosis
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Chicago — Researchers at Boston University's Concussion and CTE Center announced Tuesday that Pro Football Hall of Famer Steve 'Mongo' McMichael was found to have stage-three chronic traumatic encephalopathy following postmortem brain examination; McMichael died in April 2025 at age 67 after a five-year battle with ALS.
This week McMichael’s wife said she donated his brain to inspire research into a CTE–ALS connection; Boston University cited pathological evidence including TDP-43 inclusions, referenced prior 2021 studies showing elevated ALS risk among NFL players, and indicated findings will inform further neuropathological research and awareness efforts.
More context
Timeline
- 1. 1985: McMichael plays on the Chicago Bears team that wins the Super Bowl.
- 2. 2021: Harvard Medical School and BU study reports NFL players have higher ALS risk.
- 3. 2024: McMichael is inducted into the Pro Football Hall of Fame.
- 4. April 2025: McMichael dies at 67 after a five-year battle with ALS.
- 5. May 2025: Boston University researchers announce postmortem diagnosis of stage-three CTE in McMichael’s brain.
Why it matters
McMichael's case highlights the potential link between football-related brain injuries and ALS. If you or a loved one plays football, it's crucial to understand the risks. Stay informed about the latest research and safety measures.
Sources
JQJO Editorial Desk · Human reviewed · AI assisted. Report a correction.
