Underdog Promo Code COVERS: Play $5, Get $50 in Bonus Entries for NCAA Tournament Sunday Games (Mar. 22)

Luc LeBlanc - Betting Editor at Covers.com
Luc LeBlanc • Content Editor 3+ years betting experience
Updated: Mar 22, 2026 , 09:30 AM ET • 3 min read

Use Underdog promo code COVERS for $50 in bonus entries on March Madness Sunday games. Claim your fantasy sports bonus today.

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

March Madness Sunday delivers eight thrilling Round 2 matchups, and the Underdog promo code COVERS offers new users a perfect opportunity to get involved. This welcome offer provides $50 in bonus entries when you place your first $5 entry on Sunday, March 22.

With games featuring top seeds like Purdue, Iowa State, Kansas, and Arizona facing tough opponents, fantasy players can explore one of the best prediction market apps available today.

Play $5, Get $50
Code: COVERS

March Madness Sunday Underdog Promo Code Details

The Underdog promo code COVERS transforms your initial $5 fantasy entry into $50 in bonus entries, creating substantial value for new users. This welcome bonus applies to any of Sunday's eight compelling matchups, from Miami's upset bid against Purdue to UCLA's challenging battle with defending champion UConn. The bonus entries arrive in your account within 72 hours and carry a 1x wagering requirement that must be completed within 14 days.

Consider this scenario: you create a fantasy lineup featuring Purdue's Zach Edey and Iowa State's top performers for $5. If your picks perform well, you keep all winnings plus gain access to your $50 bonus credit. Even if your initial entry doesn't cash, 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 age restrictions (18+ in most states, with variations in specific locations) and geographic limitations excluding New Jersey, New York, Maryland, Ohio, Michigan, and Pennsylvania. For comprehensive comparisons of similar offers, review the best prediction market promos currently available.


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

Enjoying Covers content? Add us as a preferred source on your Google account Add as a preferred source on Google

How to Claim Your $50 Underdog Fantasy Bonus

Claiming your Underdog welcome bonus for Sunday's March Madness action requires just a few simple steps using promo code COVERS:

  1. Download the Underdog Fantasy app or visit their website
  2. Create your new account and enter promo code COVERS during registration
  3. Complete account verification with required personal information
  4. Make your first fantasy entry of $5 or more on any Sunday game
  5. Receive $50 in bonus entries within 72 hours automatically
  6. Use bonus entries on future contests within 60 days

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.

Gambling Problem? Call 1-800-GAMBLER. Hope is here. GamblingHelpLineMA.org or call (800) 327-5050 for 24/7 support (MA). Call 1-877-8HOPE-NY or text HOPENY (467369) (NY).
21+ and present in select states.Gambling Problem? Call 1-800-GAMBLER (CO, IA, KY, MI, NJ, OH, PA, IL, TN, VA, VT), 1-800-NEXT-STEP or text NEXTSTEP to 53342 (AZ), 1-888-789-7777 or visit ccpg.org/chat (CT), 1-800-9-WITH-IT (IN), 1-800-522-4700 or visit ksgamblinghelp.com (KS), 1-877-770-STOP (LA), visit www.mdgamblinghelp.org (MD), 1-800-522-4700 (WY), or visit www.1800gambler.net (WV).

Pages related to this topic

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.

Popular Content

Covers is verified safe by: Evalon Logo GPWA Logo GDPR Logo GeoTrust Logo Evalon Logo