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 ...

The Naylor trade likely signifies more moves to come, with the Diamondbacks sitting near the basement of the National League ...

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

The Diamondbacks are counting on one of their prospects from the Josh Naylor trade almost immediately, as they recalled LHP ...

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

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