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Mariners reuniting with Josh Naylor is good for multiple Red Sox offseason pursuits

The 2025-26 offseason has started quite early — a major first base target signed just weeks after free agency opened, bucking the trend of the last few offseasons dragging into spring training.

The Seattle Mariners and Josh Naylor have agreed to a reunion on a five-year deal, first reported by MLB insider Jeff Passan on November 16. Ari Alexander of WHDH 7News reports that the deal is in the $90-100 million range, but the price has not been officially released.

The Mariners traded for the first baseman from the Arizona Diamondbacks at the 2025 trade deadline, and he was a stellar fit for them during their playoff chase.