Lawsuit filed against FIFA claiming it is n't doing enough about concussion in soccer . Action : FIFA has failed to develop effective policies to address concussion . `` The decisive factor is how those involved react to this kind of incident , '' Blatter wrote of the Kramer injury . FIFA president Sepp Blatter said recently that topic of concussion has ` ` highest priority '' German midfielder Marco Müller played on after being knocked out in World Cup final .
Lawsuit filed against FIFA claiming it is n't doing enough about concussion in soccer . Action : FIFA has failed to develop effective policies to address concussion . FIFA president Sepp Blatter said recently that topic of concussion has ` ` highest priority '' German midfielder Marco Müller played on after being knocked out in World Cup final .