A Stacker News sports contest is offering 2,000 sats for correctly predicting the outcomes of three NFL games: Broncos vs. Chargers, Texans vs. Chiefs, and Steelers vs. Ravens. A tiebreaker based on the combined points from the Saturday games will determine the winner if necessary. The contest aims to generate engagement within the community and reward accurate NFL predictions with Bitcoin. It's a fun way to show off Bitcoin's utility and rewards community participation.