Underdog Promo Code YAHOOBONUS: Play $10 on Thursday Night Football, Get $50 in Bonus Funds

What happened

Earn a 20X return on an initial $5 play with Underdog promo code YAHOOBONUS on Thursday Night Football.

Summary assembled by rule from the sources below

Timeline

1. 22:30
   First appeared on Yahoo SportsYYahoo Sports
2. 22:39
   Yahoo Sports followed upYYahoo Sports

Sources