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.

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.

Josh Naylor is headed to the American League. The Diamondbacks’ first baseman is going to the Mariners in a trade on Thursday night, The Post’s Jon Heyman confirmed Minor league pitchers Ashton Izzi and Brandyn Garcia are headed back to Arizona.