The Seattle Mariners acquired first baseman Josh Naylor from the Arizona Diamondbacks on Thursday night, kicking off Major League Baseball's trade season with a deal that bolsters Seattle's efforts to return to the postseason and signals the Diamondbacks are open for business.

The deal, which sends left-handed pitching prospect Brandyn Garcia and right-handed pitching prospect Ashton Izzi to the Diamondbacks, reinforces Seattle's intentions to aggressively add to its roster before the July 31 deadline.

The Diamondbacks, who entered the season with hopes of returning to their form in 2023 when they made a surprise run to the World Series, are expected to be similarly busy, with a number of impending free agents like Naylor. Among third baseman Eugenio Suarez and right-handers M

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