Underdog Promo Code COVERS: NEW $75 Bonus for Spurs vs. Thunder NBA Cup Semifinal

Use Underdog Fantasy promo code COVERS for $75 bonus on Spurs vs Thunder NBA Cup semifinal. Claim your welcome offer today!

Luc LeBlanc - Betting Editor at Covers.com
Luc LeBlanc • Content Editor
Dec 13, 2025 • 19:30 ET • 3 min read
Photo By - Use Underdog Fantasy promo code "COVERS" to play $5, Get $75. - IMAGN IMAGES

The Underdog Fantasy promo code COVERS delivers a $75 bonus when you place your first $5 entry on Saturday's NBA Cup semifinal between the San Antonio Spurs and Oklahoma City Thunder. The Thunder enter this December 13 matchup with a historic 24-1 record, matching the best 25-game start in NBA history alongside the 2015-16 Golden State Warriors. New users can capitalize on this marquee semifinal showdown with one of the top sportsbook promos available, turning a small initial entry into substantial bonus credits for future contests.

Play $5, Get $75
Code: COVERS

Underdog Fantasy promo code COVERS unlocks $75 bonus for NBA Cup action

The Underdog Fantasy promo code transforms your first $5 entry into $75 in bonus credits for daily fantasy contests. This welcome offer applies to both draft-style fantasy contests and pick'em games where you predict whether players will exceed or fall short of their statistical projections. For Saturday's Spurs vs Thunder semifinal, you could build lineups featuring Shai Gilgeous-Alexander, who leads Oklahoma City's historic run, or Victor Wembanyama, who returns from a 12-game absence to bolster San Antonio's upset hopes.

The bonus credits are credited to your account within 72 hours and carry a 1x wagering requirement that must be fulfilled within 14 days. You have 60 days to use the bonus before it expires, and account verification is required before withdrawing any winnings. This promotion excludes residents of Maryland, Michigan, Pennsylvania and Ohio, while Virginia users must be at least 21 years old compared to 19 years old in other eligible states.


Use the correct Underdog promo code for your state

Underdog Fantasy Promo Code Eligible States
 COVERS AK, AL, AR, AZ, CA, CO, FL, GA, IL, IN, KS, KY, MA, MI, MN, MO, MS, NC, ND, NE, NH, NJ, NM, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WI, WV, WY

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How to claim your Underdog Fantasy welcome bonus

Claiming your Underdog Fantasy bonus for the NBA Cup semifinal requires four simple steps.

  1. First, download the Underdog Fantasy app and complete registration with your personal information and mobile number, then verify your account with the PIN sent via text message.
  2. Second, make your initial deposit of at least $5 using your preferred payment method and enter promo code COVERS when prompted during the deposit process.
  3. Third, place your first $5 entry into any available contest, whether drafting a fantasy lineup or making pick'em predictions on player performances for the Thunder vs Spurs game.
  4. Finally, your $75 bonus will be credited automatically within 72 hours, ready for use on future NBA Cup contests or regular season matchups.

Affiliate Disclosure: Our team of experts has thoroughly researched and handpicked each product that appears on our website. We may receive compensation if you sign up through our links.

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Luc LeBlanc
Content Editor

Luc has been keeping up with various realms of the sports world since a young age, playing an abundance of competitive sports as a child, and is still going strong as a hockey player to this day. Having been involved with sports media and the sports betting world for two years and graduating from university in 2025, he ultimately chose to pursue a career in sports media.Luc has over five years of experience in sports betting across a wide range of professional sports and has been providing valuable insights since debuting in the field as a sports betting expert with various publications in 2023. He has a wide base of sports knowledge, though his favorites are undoubtedly hockey and tennis – always staying up to date with the NHL and following the ATP and WTA tours.When betting, Luc always does his due diligence, analyzing trends and finding value by recognizing and linking valuable props to other probable outcomes.

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