The Seattle Mariners are close to re-signing first baseman Josh Naylor to a five-year contract on the free-agent market, ESPN reports. If finalized, it will be the first major free-agent signing of the offseason.

Naylor, 28, is coming off a 2025 season in which he slashed .295/.353/.462 in a combined 147 games for the Diamondbacks and Mariners. Seattle acquired Naylor from Arizona leading up to the trade deadline. After the trade, Naylor had an OPS+ of 138 in 54 regular-season games for the Mariners en route to their winning the American League West title for the first time since 2001. Naylor in the ALCS batted .417 with three home runs. The Mariners lost that series in seven games to the Toronto Blue Jays.

Naylor in 2024 as a member of the Guardians earned his first and thus f

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