https://consumerist.com/2017/09/15/would-you-take-a-dna-test-at-an-nfl-game-the-baltimore-ravens-want-you-to/

Fans attending the Baltimore Ravens’ home opener on Sunday will be leaving more than empty cups, nacho tins, and possibly their team spirit when they exit M&T Bank Stadium: Guests can leave their DNA to be tested if they take part in the team’s latest promotion.

In a new spin on game-day promotions, the Ravens will gift 55,000 attendees at Sunday’s game against the Cleveland Browns with a free DNA test from Orig3n Inc.