Gleason (2016) – IMDb

Directed by Clay Tweel. With Steve Gleason, Mike Gleason, Scott Fujita, Mike McKenzie. After he is diagnosed with ALS, former professional football player Steve Gleason begins making a video diary for his unborn son, as he, his wife, and their friends and family work to raise money for ALS patients as his disease progresses.

https://www.imdb.com/title/tt4632316/