Massachusetts lawmakers are trying to figure out how much the state will need to spend to help host the 2026 FIFA World Cup next summer, and the calculations have triggered recent Senate talks with event organizers.

Negotiations formally began Monday on a $2.3 billion bill to wrap up fiscal year 2025 spending and the bill could be the vehicle for a support outlay for the international event. The question is how much is enough.

Visitors from around the world are expected to pour into the state for the FIFA World Cup, which features seven games at Gillette Stadium in Foxborough.

The House version of the bill allocated $10 million in connection with hosting the matches, while the Senate’s version allocated no funding.

Democratic Gov. Maura Healey requested $20 million for a reserve to s

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