Duerson 's family was displeased with how he was portrayed .
Duerson was portrayed by actor Adewale Akinnuoye - Agbaje in the 2015 film Concussion .
Duerson 's family was displeased with how Duerson was portrayed .
Duerson was portrayed by actor Adewale Akinnuoye - Agbaje in the 2015 film Concussion .