Underdog Promo Code COVERS: Get $75 in Bonus Entries for Mexico vs. USA, WBC Games (Mar. 9)

Luc LeBlanc - Betting Editor at Covers.com
Luc LeBlanc • Content Editor 3+ years betting experience
Updated: Mar 9, 2026 , 04:20 PM ET • 3 min read

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

The Mexico vs. USA World Baseball Classic matchup on Monday, March 9 presents an exciting opportunity for fantasy sports fans to capitalize on the Underdog promo code offer. New users can secure $75 in fantasy bonus entries by using code COVERS when making their first $5 entry.

This high-stakes international baseball showdown features Manny Barreda starting for Mexico against Paul Skenes for Team USA, making it an ideal contest for fantasy predictions on one of the best prediction market apps.

Play $5, Get $75
Code: COVERS

Mexico vs USA World Baseball Classic Underdog Promo Code Details

The Underdog promo code COVERS unlocks a substantial welcome bonus for new users looking to engage with tonight's Mexico vs USA clash. After registering and making an initial $5 fantasy entry, users receive $75 in fantasy bonus entries within 72 hours. This promotion applies to both draft-style fantasy contests and pick'em games where you predict player performance against projected statistics.

The bonus comes with a 1x wagering requirement that must be completed within 14 days of receipt, and the bonus funds expire after 60 days if unused. For example, if you create a fantasy lineup predicting Paul Skenes will exceed his strikeout projection and your entry wins, those winnings can be withdrawn after meeting the wagering requirement. Conversely, if your Mexico-focused picks fall short, you still retain the bonus entries to use on future contests. Key terms include age restrictions (19+ in most states, 21+ in Virginia) and geographical limitations excluding Maryland, Michigan, Pennsylvania, and Ohio.

Fantasy sports enthusiasts can compare this offer against other platforms by reviewing best prediction market promos available across the industry.


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 $75 Underdog Fantasy Bonus

Claiming your Underdog fantasy bonus for the Mexico vs USA World Baseball Classic requires following these straightforward steps:

  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 during the deposit process to activate the bonus
  4. Make your first $5 fantasy entry on any available contest, including picks related to tonight's Mexico vs USA matchup
  5. Receive your $75 in fantasy bonus entries automatically within 72 hours
  6. Complete the 1x wagering requirement within 14 days to unlock withdrawal eligibility

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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