New customers can sign up with the Polymarket promo code TSNEWS and score a $50 bonus for MLB predictions on Sunday.
Kalshi Promo Code TSN15: Get $15 MLB Bonus After $10 in Predictions originally appeared on The Sporting News. Add The ...
New players can sign up with Kalshi promo code NOLA and make $10 in trades on Sunday's MLB game to unlock a $10 bonus.
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