Concussion

The movie "Concussion" 2015

2015 - Will Smith, Alec Baldwin, Albert Brooks, Gugu Mbatha-Raw, David Morse
Will Smith stars in Concussion, a dramatic thriller based on the incredible but true story of immigrant Bennet Omalu, a brilliant neuropathologist whose important medical discovery led him, like David against Goliath, into a battle with one of the world's most powerful institutions.

Trailer "Concussion"