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Nationals Sign Foster Griffin: $5.5M Deal After Japan Success

12/17/2025

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Summary

Story summary

The Washington Nationals signed Foster Griffin to a one-year contract worth $5.5 million, with incentives up to $6.5 million.
Griffin, 30, returns to MLB after three seasons in Japan with the Yomiuri Giants, posting a 2.57 ERA and 318 strikeouts.
His best season in Japan was 2025, with a 1.62 ERA.
The Nationals view Griffin as a potential back-end rotation starter, noting his diverse repertoire could offset velocity concerns.

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Story summary

The Washington Nationals signed Foster Griffin to a one-year contract worth $5.5 million, with incentives up to $6.5 million.
Griffin, 30, returns to MLB after three seasons in Japan with the Yomiuri Giants, posting a 2.57 ERA and 318 strikeouts.
His best season in Japan was 2025, with a 1.62 ERA.
The Nationals view Griffin as a potential back-end rotation starter, noting his diverse repertoire could offset velocity concerns.