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

The Arizona Diamondbacks have made a big move this month, but they could continue to make more moves as the trade deadline ...

The Seattle Mariners have acquired lefty-batting first baseman Josh Naylor from the Diamondbacks. Arizona gets left-hander ...

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

The Arizona Diamondbacks have already made one big trade this year, but they could continue selling as aggressively as any ...

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

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

On Thursday, the Arizona Diamondbacks kicked off their Trade Deadline early, trading first baseman Josh Naylor to the Seattle ...

The Mariners acquired first baseman Josh Naylor from the Diamondbacks on Thursday, one week before the MLB trade deadline.

After the D-Backs made a huge move to send 1B Josh Naylor to the Mariners, the club is reportedly going to continue to sell ...

Seattle dealt left-handed pitcher Brandyn Garcia and minor league right-hander Ashton Izzi to Arizona in exchange for Naylor, ...

The Diamondbacks acquired lefthander Brandyn Garcia, who has two appearances for the Mariners this season, and minor-league ...