Underdog Promo Code COVERS: $50 Sign-Up Bonus for Tennessee-Iowa State, NCAA Tournament Games This Weekend

Luc LeBlanc - Betting Editor at Covers.com
Luc LeBlanc • Content Editor 3+ years betting experience
Updated: Mar 27, 2026 , 07:30 PM ET • 3 min read

Use Underdog promo code COVERS for $50 bonus entries on Tennessee vs. Iowa State. Get started with just $5 and claim your fantasy 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 ahead of Friday's Tennessee vs. Iowa State showdown. This NCAA Tournament regional semifinal features two tough, defensive-minded teams battling for a spot in the next round. Tennessee enters with momentum from consecutive tournament victories, while Iowa State looks to overcome the potential absence of key forward Joshua Jefferson due to an ankle injury.

For fantasy players seeking value on one of the best prediction market apps, this Friday, March 27 offer provides an excellent opportunity to get started.

Play $5, Get $50
Code: COVERS

Underdog promo code COVERS unlocks $50 Tennessee vs. Iowa State bonus

The Underdog promo code COVERS transforms a modest $5 entry into $50 worth of fantasy bonus entries, creating substantial value for new users. This welcome offer applies to any fantasy contest, making Friday's Tennessee-Iowa State matchup an ideal target given the storylines surrounding both teams. Tennessee's rebounding dominance, ranking fourth nationally in boards per game, creates multiple fantasy angles, while Iowa State's uncertainty around Jefferson's availability adds intrigue to player projections.

The bonus structure works straightforwardly: place your initial $5 entry on any contest, and Underdog credits your account with $50 in bonus entries within 72 hours. These bonus entries carry a 1x wagering requirement that must be completed within 14 days, and the bonus expires after 60 days if unused. Account verification is required before withdrawing any winnings. For Tennessee vs. Iowa State specifically, if your initial picks hit, you keep both your original winnings and gain access to the bonus funds. If your picks miss, you still receive the full $50 bonus to use on future contests. This offer excludes residents of New Jersey, New York, Maryland, Ohio, Michigan and Pennsylvania.

Compare this opportunity alongside other best prediction market promos available today.

Friday, March 27 - Key NCAA Tournament Matchups

  • (5) St. John's vs. (1) Duke - 7:10 PM ET (CBS)
  • (4) Alabama vs. (1) Michigan - 7:35 PM ET (TBS, truTV)
  • (3) Michigan State vs. (2) UConn - 9:45 PM ET (CBS)
  • (6) Tennessee vs. (2) Iowa State - 10:10 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 Tennessee vs. Iowa State Underdog bonus

Claiming your Underdog bonus for Friday's regional semifinal requires just a few simple steps. Follow this process to secure your $50 in bonus entries using promo code COVERS:

  1. Visit Underdog Fantasy through the promotional link
  2. Create your new account with valid personal information
  3. Enter promo code COVERS
  4. during registration
  5. Make your first deposit of at least $5
  6. Place your initial $5 entry on any available contest
  7. Receive $50 in bonus entries within 72 hours automatically

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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