Soccer can be one of the most unpredictable sports to bet on, which is why landing a winning pick should come with a meaningful reward. FanDuel promo code is giving new users exactly that opportunity for this week’s CONCACAF Champions Cup Round of 16 matchup between Nashville SC and Inter Miami CF.   New customers can place a $5 first bet on the game and, if it wins, receive $300 in bonus bets. It’s a low-cost entry into sports betting with a significant potential return. Below is everything you need to know about claiming the promotion.     FanDuel CONCACAF Promotion: Bet $5, Receive $300 in Bonus Bets   Nashville SC will host Inter Miami on Wednesday in the opening leg of their Champions Cup Round of 16 series. With the tie decided on aggregate goals across two matches, every scoring chance could prove decisive.   To add even more excitement to the contest, FanDuel Sportsbook is offering a generous sign-up promotion. New users who win their first $5 wager on the Nashville vs. Inter Miami match will receive $300 in bonus bets credited to their account.   The promotion is automatically available during registration, meaning no FanDuel promo code is required. Players must simply meet the age requirement of 21+ and be located in a state where FanDuel Sportsbook operates.     Example of the $5 to $300 FanDuel Offer   Imagine placing a $5 bet on Inter Miami to win at -120 odds.   If the Herons secure the victory:   Your bet returns $4.17 in profit plus your $5 stake. FanDuel then credits $300 in bonus bets to your account.   Those bonus bets can be used on future matches, including the second leg of the Nashville vs Inter Miami series or other upcoming soccer events.     How to Claim the FanDuel $300 Bonus Bets   Signing up and activating the offer takes just a few minutes:   Visit the FanDuel Sportsbook website or mobile app. Click Sign Up and complete the account registration and verification process. Deposit at least $5 into your new sportsbook account. Place a $5 or larger wager on any market for the Nashville vs Inter Miami game.   If your wager wins, FanDuel will issue $300 in bonus bets within 72 hours.     FanDuel Promo Terms and Conditions   FanDuel is widely recognized for offering clear and straightforward promotions for new customers.   Important details for this offer include:   The qualifying bet must win to trigger the $300 reward. The $5 bet has no minimum odds requirement. Bonus bets are typically credited within 72 hours. The $300 in bonus bets expire seven days after being issued.     Nashville vs Inter Miami: Match Preview   Nashville SC enters this matchup in strong early-season form. The club remains unbeaten in 2026, opening the MLS campaign with two wins and one draw. Nashville also dominated their previous Champions Cup round, defeating Atlético Ottawa 7–0 on aggregate.   A victory against Inter Miami would be a significant achievement and move Nashville closer to its first-ever Champions Cup quarterfinal appearance.   Inter Miami, meanwhile, has regained momentum following a difficult start to the MLS season. After a 3–0 opening loss to Los Angeles, the club responded with consecutive road victories over Orlando City and D.C. United.   As the 2025 MLS Cup champions, Miami received a bye directly into the Round of 16. The Herons also eliminated Nashville at this stage of the tournament in 2024, and they will aim to repeat that success.   Fans can watch Nashville vs Inter Miami live on Wednesday at 7:30 PM ET on FS2 and TUDN from Geodis Park.     Comparing Other Sportsbook Promotions   While FanDuel’s offer is among the most attractive for this matchup, several other sportsbooks odds also provide competitive welcome bonuses.   Some current alternatives include:   Caesars Sportsbook New users can claim a 100% bet match up to $250 on their first wager.   DraftKings A $5 winning bet can unlock $300 in bonus bets for new customers.   Fanatics Sportsbook New players can earn up to $1,000 in FanCash through a 10-day bet match promotion.   Exploring multiple sportsbook offers can help bettors maximize their bankroll while following the CONCACAF Champions Cup action.