Panthers LB Kuechly won't change style after 2nd concussion
Luke Kuechly: Poster Child for NFL's Concussion Problem - Sports Illustrated
How many concussions has Luke Kuechly suffered in his career?
Luke Kuechly, NFL star with history of concussions, retires aged 28, Carolina Panthers
Panthers LB Luke Kuechly leaves field in tears after possibly suffering another concussion
Luke Kuechly Walked Away From the NFL at His Peak. He Still - The New York Times
Luke Kuechly Walked Away From the NFL at His Peak. He Still - The New York Times
Luke Kuechly placed into concussion protocol
Here's why Luke Kuechly is wearing that collar
Luke Kuechly not expected to return for Panthers this season