'' Gleason '' is an American documentary film premiered at the 2016 Sundance Film Festival , covering five years in the life of the former New Orleans Saints football defensive back Steve Gleason , who has Amyotrophic lateral sclerosis ( ALS ) , sometimes known as Lou Gehrig 's disease , a rare incurable neurodegenerative condition associated with the former New York Yankees baseball star Lou Gehrig , who died from the disease in 1941
2016 Sundance Film Festival
2016 Sundance Film Festival
Gleason (2016 film)