Vincent Jackson!

https://www.news-medical.net/news/2...-CTE-in-625-of-athletes-and-non-athletes.aspx
This article talks about a blind study done on both athletes of various sports and non athletes in the general population. They determined that 6% had CTE compared to the more than 80% in pro football players.

I’m no scientist, but that seems pretty damning for football.
Any sport that involves repeated blows to the head is potentially very dangerous for one's mental health and cognitive ability: Boxing, yep. MMA, yep. Football, yep. We all love the game but the risks should be clear to everyone.