Who won the Josh Naylor trade between the Arizona Diamondbacks and Seattle Mariners? Check out early grades to Josh Naylor trade on July 24, 2025.

The Arizona Diamondbacks sent Josh Naylor to the Seattle Mariners for a pair of prospects. How does this impact the fantasy baseball landscape?

The Seattle Mariners acquired first baseman Josh Naylor from the Arizona Diamondbacks on Thursday as the franchise tries to beef up its lineup ahead of the July 31 trade deadline.

MLB trade deadline action officially kicked off when the Seattle Mariners acquired first baseman Josh Naylor from the Arizona Diamondbacks on Thursday.

Seattle dealt left-handed pitcher Brandyn Garcia and minor league right-hander Ashton Izzi to Arizona in exchange for Naylor, a 28-year-old first baseman hitting .292 with 11 home runs and 59 RBI in 93 games for the Diamondbacks this season.

All-Star first baseman Josh Naylor has arrived and is in the lineup to make his Seattle Mariners debut Friday night against the Los Angeles Angels.

In a wide-open American League, the Mariners will have as good a chance as anyone to make a deep postseason run, and Naylor could be a big part of that. He’s played in three postseasons and is known for hitting clutch home runs.

Jerry Dipoto has a longstanding reputation for jump-starting the Trade Deadline market, and the Mariners’ president of baseball operations indeed sparked this year’s traction, with the first major domino falling to Seattle on Thursday night.

The Seattle Mariners could emerge as the favorites to win the Eugenio Suárez sweepstakes ahead of the upcoming trade deadline.