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.

In a move that highlights their aggressive strategy before the MLB Trade Deadline, the Seattle Mariners made headlines by acquiring first baseman Josh Naylor from the Arizona Diamondbacks on Thursday.

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 first Diamondbacks trade domino has fallen, as first baseman Josh Naylor is heading to the Seattle Mariners.

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

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 have acquired first baseman Josh Naylor from the Arizona Diamondbacks. This move comes as the Mariners aim to strengthen their roster before the July 31 trade deadline.

Diamondbacks starter Ryne Nelson worked six scoreless innings, giving up just one hit while walking two and strikeout four.

The Diamondbacks traded Josh Naylor to Seattle, and whether that launches a firesale or buy/sell plan is undetermined with the deadline nearing.