In this Jan. 12, 1992 photo, East's Kevin Turner, of Alabama, dives over the top for a touchdown in the fourth quarter of the Japan Bowl, the American collegiate all-star football game, at the Tokyo Dome. A fullback at Alabama before playing eight years in the NFL for New England and Philadelphia, Kevin Turner was 46 when he died in 2016. He had been diagnosed with amyotrophic lateral sclerosis, known as ALS or Lou Gehrig's disease, but after studying his brain researchers declared that it was actually CTE.
In this Jan. 12, 1992 photo, East's Kevin Turner, of Alabama, dives over the top for a touchdown in the fourth quarter of the Japan Bowl, the American collegiate all-star football game, at the Tokyo Dome. A fullback at Alabama before playing eight years in the NFL for New England and Philadelphia, Kevin Turner was 46 when he died in 2016. He had been diagnosed with amyotrophic lateral sclerosis, known as ALS or Lou Gehrig's disease, but after studying his brain researchers declared that it was actually CTE. Itsuo Inouye AP
In this Jan. 12, 1992 photo, East's Kevin Turner, of Alabama, dives over the top for a touchdown in the fourth quarter of the Japan Bowl, the American collegiate all-star football game, at the Tokyo Dome. A fullback at Alabama before playing eight years in the NFL for New England and Philadelphia, Kevin Turner was 46 when he died in 2016. He had been diagnosed with amyotrophic lateral sclerosis, known as ALS or Lou Gehrig's disease, but after studying his brain researchers declared that it was actually CTE. Itsuo Inouye AP

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