Complete the following steps to claim the bonus and begin trading:How to claim the Polymarket promo code MASS for Red Sox, MLB:Visit Polymarket.com or install the mobile app Create an account and use the Polymarket promo code MASS into the referral or invite box. Polymarket promo code MASS terms:Offer: $20 trading bonusRequired deposit: $10Code: MASSWho qualifies: New Polymarket US accounts onlyActive as of: Late JulyMarket access: All active Polymarket prediction marketsRed Sox vs. Polymarket promo code vs. Kalshi promo code: Which offer is better right now? Conclusion: Claim Polymarket promo code MASS for Thursday’s MLB boardPolymarket promo code MASS returns for Thursday’s MLB schedule as the Red Sox wrap up their California series against the Athletics. Use Polymarket promo code MASS to access Red Sox vs.