Closed Head Injuries in Football
by Rod SmithAFM Staff Writer

When his eight concussions in nine NFL seasons forced New York Jets wide receiver Al Toon to retire on November 27, 1992, the event was overshadowed by another, arguably more serious injury.
Two days later, in a contest between the Jets and Kansas City Chiefs, teammate and defensive end Dennis Byrd suffered a fractured vertebra when he collided violently with teammate Scott Mersereau, leaving Byrd partially paralyzed and requiring surgery to stabilize his spine.
The lack of natio
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