Pro Football Hall of Fame defensive tackle Steve McMichael, a key member of the Chicago Bears Super Bowl XX champion team, had CTE, a posthumous study shows.

Steve "Mongo" McMichael, the Chicago Bears legend and Hall of Famer who died last year after a battle with ALS, was diagnosed posthumously with CTE.

His wife, Misty McMichael, released a statement through the foundation that read, “Too many NFL players are developing ALS during life and diagnosed with CTE after death. I donated Steve’s brain to in...