Underdog Promo Code COVERS: Play $5, Get $50 Bonus for Illinois vs. Houston on Thursday, March 26

Luc LeBlanc - Betting Editor at Covers.com
Luc LeBlanc • Content Editor 3+ years betting experience
Updated: Mar 26, 2026 , 07:30 PM ET • 3 min read

Use Underdog promo code COVERS for $50 in bonus entries on Illinois vs. Houston. Claim your fantasy sports bonus today.

Photo By - Use Underdog promo code COVERS to play $5, Get $50.

The Underdog promo code COVERS delivers $50 in bonus entries when you place your first $5 entry, making it perfect timing for Thursday's Illinois vs. Houston showdown. Both teams feature standout freshmen guards in Keaton Wagler and Kingston Flemings, who have emerged as the engines driving their respective squads through the tournament.

This matchup between the third-seeded Illini and second-seeded Cougars promises an intriguing battle of styles, with Illinois boasting the nation's second-ranked offense against Houston's fourth-ranked defense, and you can explore the best prediction market apps to enhance your tournament experience.

Play $5, Get $50
Code: COVERS

Underdog promo code COVERS unlocks $50 bonus for Illinois vs. Houston

The Underdog promo code COVERS transforms your initial $5 fantasy entry into $50 in bonus entries, creating substantial value for Thursday's tournament action. New users must be 18 or older (19+ in Alabama and Nebraska, 21+ in Arizona, Massachusetts and Virginia) and located in eligible states, excluding New Jersey, New York, Maryland, Ohio, Michigan and Pennsylvania. Your bonus entries arrive within 72 hours and carry a 1x wagering requirement that must be completed within 14 days of receipt.

Consider this scenario: you create a fantasy lineup featuring Wagler and Flemings for the Illinois-Houston game using your $5 entry. If your picks perform well and you cash, you keep your winnings plus gain access to the $50 bonus entries. Even if your initial lineup falls short, you still receive the full bonus amount to use on future contests. The bonus entries expire after 60 days, and account verification is required before withdrawing any winnings.

Key terms include the mandatory use of promo code **COVERS** during registration, the 14-day window to meet wagering requirements, and the 60-day expiration on bonus funds. This offer provides excellent value for exploring fantasy contests during tournament season, and you can compare it with other best prediction market promos available today.

Thursday, March 26 - Key NCAA Tournament Matchups

  • (11) Texas vs. (2) Purdue - 7:10 PM ET (CBS)
  • (9) Iowa vs. (4) Nebraska - 7:30 PM ET (TBS, truTV)
  • (4) Arkansas vs. (1) Arizona - 9:45 PM ET (CBS)
  • (3) Illinois vs. (2) Houston - 10:05 PM ET (TBS, truTV)

Use the correct Underdog promo code for your state

Underdog 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 bonus

Claiming your Underdog bonus for Thursday's Illinois vs. Houston game requires just a few simple steps:

  1. Visit Underdog Fantasy and click the sign-up button to create your new account
  2. Enter promo code COVERS during the registration process to activate the bonus
  3. Complete account verification by providing required personal information
  4. Make your first fantasy entry of $5 or more on any available contest
  5. Receive $50 in bonus entries within 72 hours to use on future contests

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 passionate about sports since he was a child, playing competitive hockey and staying closely tuned to professional leagues. Today, he brings that same energy to his work as a Content Editor, covering NHL games, player props, and betting trends with a sharp, analytical eye.

Since 2023, Luc has been writing picks and analysis for various publications, helping readers discover value in several major sports. While hockey is his specialty, he also closely follows tennis, keeping up with both the ATP and WTA Tours.

A graduate of Saint Mary’s University (BSc, Geography, 2025), Luc approaches sports betting the way he approaches maps and statistics by looking for patterns, trends, and angles that give him an edge. He focuses on research-backed and well-informed picks, spotting correlations, and finding the best opportunities in player props and game markets.

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