Cap off your Sunday NFL Week 1 with a primetime showdown between the Baltimore Ravens and Buffalo Bills on Sunday Night Football. Whether your backing MVP Josh Allen and the Bills, or Lamar Jackson and the Ravens, both sides have plenty of fantasy potential, making it the perfect spot to build your Underdog lineup.
Underdog Fantasy is making it even better with a “Play $5, Get $50” bonus for new users who sign up using the Underdog promo code 'COVERS'. The offer is available in most legal U.S. states and gives you extra firepower for tonight’s matchup and beyond.
Terms and conditions
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Deposit and bet $5 to unlock a $50 bonus credit instantly.
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Use the Underdog promo code 'COVERS' when registering to activate this offer.
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This offer is available to new users 18+ (19+ or 21+ in select states).
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Not valid in MD, MI, NY, OH, and PA.
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The bonus credits are awarded within 72 hours after your $5 wager.
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1x playthrough required within 14 days; bonus expires after 60 days if unused.
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Available on iOS and Android with multiple payment methods.
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Additional perks include Vulture Protection, Pick’em Enhancements, Pick Tokens, and Playback Program for advanced DFS users.

Why should I use the Underdog Fantasy promo code?
Underdog Fantasy’s "Play $5, Get $50" welcome offer is the perfect way for new DFS players to jump into tonight’s Sunday Night Football game between the Baltimore Ravens and Buffalo Bills. With MVP quarterbacks going head-to-head, this matchup offers plenty of fantasy excitement and upside. The Underdog Fantasy bonus provides a big boost for a small $5 entry, making it easy to get started. Plus, Underdog’s user-friendly platform and unique game formats enhance the experience. As a Covers-verified offer, it also comes with added trust and reliability.
How to Claim Your Bonus
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Download the Underdog Fantasy app (iOS/Android).
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Register and enter promo code COVERS.
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Deposit $5 and enter your first contest