Underdog Promo Code COVERS: Get $75 Fantasy Bonus for 2026 World Baseball Classic

Luc LeBlanc - Betting Editor at Covers.com
Luc LeBlanc • Content Editor +3 years betting experience
Updated: Mar 7, 2026 , 10:30 PM ET • 3 min read

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Photo By - Use Underdog promo code "COVERS" to play $5, Get $75.

Sunday's World Baseball Classic pool play features powerhouse nations battling across four host cities, making it the perfect time to claim your Underdog promo code offer. New users can secure $75 in fantasy bonus entries by using code COVERS and making just a $5 entry on Saturday, March 7.

With Japan defending their 2023 WBC title against Australia and the Dominican Republic's MLB-stacked roster facing the Netherlands, today's slate offers compelling matchups for fantasy players looking to explore the best prediction market apps.

Play $5, Get $75
Code: COVERS

Underdog Promo Code Delivers $75 World Baseball Classic Bonus

The Underdog promo code COVERS unlocks a substantial welcome offer for new users ready to dive into Sunday's international baseball action. After registering and making your first $5 fantasy entry, you'll receive $75 in fantasy bonus entries within 72 hours, giving you significant value to explore Underdog's pick'em contests and draft games. This promotion applies to any of Sunday's World Baseball Classic matchups, whether you're backing Japan's disciplined approach against Australia or predicting whether Dominican Republic stars will exceed their projections against the Netherlands.

The bonus comes with straightforward terms: you must be at least 19 years old (21+ in Virginia), complete account verification, and use your bonus entries within 60 days of receipt. The 1x wagering requirement must be fulfilled within 14 days, and the offer isn't available in Maryland, Michigan, Pennsylvania, or Ohio. For example, if you enter a $5 pick'em contest predicting Shohei Ohtani will exceed his hits projection in Japan's game and win, your winnings combine with the $75 bonus for substantial returns. Even if your initial picks don't hit, the bonus entries provide multiple opportunities to capitalize on the tournament's remaining games.

Compare this offer alongside other best prediction market promos to maximize your World Baseball Classic betting value.


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 World Baseball Classic Underdog Bonus

Claiming your Underdog bonus for Sunday's World Baseball Classic action requires just a few simple steps. Follow this process to secure your $75 in fantasy bonus entries using promo code COVERS:

  1. Download the Underdog app and complete registration with your personal information and mobile number verification
  2. Navigate to your account balance and deposit at least $5 using your preferred payment method
  3. Enter promo code COVERS when prompted during the deposit process
  4. Place your first $5 entry on any World Baseball Classic contest, whether pick'em or draft format
  5. Receive your $75 in fantasy bonus entries within 72 hours to use on upcoming tournament games

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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