Sad, but not shocking news out Thursday about Dallas Cowboys' great Tony Dorsett.

The former running back confirmed he's been diagnosed with chronic traumatic encephalopathy, or CTE.

It's a degenerative brain condition caused by head trauma. CTE is linked to depression and dementia.

Dorsett said he's dealing with both.

Dale Hansen talked with News 8's Jason Wheeler about Dorsett's diagnosis on News 8 at 4.

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