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.

The Seattle Mariners expected trade addition Josh Naylor to help boost their offense, but the ways he's done so thus far have been a bit surprising.