'Mr. Falcon' Tommy Nobis had most severe form of CTE, medical examiner says Unknown 01:20 A medical examiner said Nobis had Stage 4 CTE, considered the most advanced form of the brain disease. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsHockey World Cup: Reprieves for Pakistan ahead of crucial Netherlands clashLionel Messi stars as Barcelona thrash Espanyol to stay topChelsea to review video footage after racism allegations