Here is the full list of all 9 ESPN achievements worth 0 gamerscore. It takes around 1-2 hours to unlock all of the achievements on Xbox One.
You launched the ESPN on Xbox One app.
Watch 10 clips from each of the ESPN editorial channels
Sign in to your ESPN account to link it to the ESPN on Xbox One app.
Use More Sports to watch videos from 3 other sports
Use your voice to activate the SportsGuide while watching a video in full screen.
Watch at least 5 clips from your Favorites channel
Watch 100 video highlights
Select a sport from the Favorite Sports list to customize your Channel Guide.
Select a favorite team from the Favorite Teams menu in Settings