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've brought up the SportsGuide using your voice.
You've linked your ESPN account to the ESPN on Xbox One app
You've watched 100 video clips
You launched the ESPN on Xbox One app.
Watch 10 clips from each of the ESPN editorial channels
Use More Sports to watch videos from 3 other sports
Watch at least 5 clips from your Favorites channel
Select a sport from the Favorite Sports list to customize your Channel Guide.
Select a favorite team from the Favorite Teams menu in Settings