If you revisit the story, it was odd and conflicting to say the least. It perhaps makes more sense now in light of Walton's other odd behavior and arrests. As for Richt, he's a great guy and thankfully started to turn around the program, but he's also a Bowden disciple and wasn't a strict disciplinarian. His Georgia program had all sorts of off-field issues.
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Would love to see the tons of evidence related to CTE and youth football. Believe the sole method for medical researchers to identify CTE is through dissecting brains after individuals have passed away. Typically, the process includes prior agreement with the family to donate the family member's brain. Not familiar with any studies involving youth football.