On Thursday, the Seattle Mariners officially kicked off trade deadline season by acquiring former All-star first baseman Josh Naylor from the Arizona Diamondbacks.

The Seattle Mariners kicked off their trade deadline activity Thursday by acquiring a former All-Star from the Arizona Diamondbacks.

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.

PHOENIX -- 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.

The New York Yankees pulled themselves out of the running for Eugenio Suárez, and now Jon Heyman believes the Chicago Cubs and Seattle Mariners are the leaders.

The Seattle Mariners have acquired lefty-batting first baseman Josh Naylor from the Diamondbacks. Arizona gets left-hander Brandyn Garcia and right-hander Ashton Izzi back in the deal. The Diamondbacks announced the trade on Thursday evening.

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

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.

Blue Jays Predicted to Land Diamondbacks Star Before MLB Trade Deadline originally appeared on Athlon Sports.