Even after the acquisition of first baseman Josh Naylor last week, the Mariners plan to aggressively pursue more roster upgrades before the MLB trade deadline at 3 p.m. PT Thursday.

The Diamondbacks have sent right-handed pitcher Trevor Richards outright to Triple-A. Read more at MLB Trade Rumors.

The Diamondbacks continued to make deals Saturday, trading outfielder Randal Grichuk to the Royals in exchange for ...

Zac Gallen gave up four earned runs in possibly his final start for the Diamondbacks in Pittsburgh, as Arizona fell 6-0 and ...

The Arizona Diamondbacks fell to the Pirates in Pittsburgh despite a strong outing by Merrill Kelly, who could be dealt ...

While the draft deadline doesn’t directly impact players on current MLB rosters, the trade deadline, which lands at 6 p.m. ET ...

The MLB trade deadlien is on July 31 and we’ve already seen quite a few deals made around the league. While American League ...

FOX Sports MLB reporters Rowan Kavner and Deesha Thosar will be grading the biggest trades in the league through the July 31 ...

The Seattle Mariners acquired first baseman Josh Naylor from the Arizona Diamondbacks on Thursday night, kicking off Major ...

Steve Gilbert was the first to break the news, during this evening’s game against the Pirates in Pittsburgh, tweeting “The ...

A former Seattle Mariners reliever didn't have to wait long to get an opportunity with his new team. The Mariners traded pitching prospects Brandyn Garcia and A ...