On Thursday, June 18th, 2026, Polymarket launches invite code CUSE in New York, Pennsylvania and all other eligible states, for MLB matchups, including a key NL East tilt between the New York Mets and Philadelphia Phillies. With superstars like Juan Soto, Kyle Schwarber and Bryce Harper set to take the field, this new Polymarket invite offer opens new users to a $50 trading bonus on an initial $20 deposit. ...read more read less