The D-backs traded first baseman Josh Naylor to the Mariners in exchange for left-handed pitcher Brandyn Garcia (Arizona's updated No. 16 prospect per MLB Pipeline) and right-hander Ashton Izzi (No. 11),

After adding first baseman Josh Naylor, the Mariners are off to a fabulous start at the trade deadline, but Dipoto isn't satisfied, telling MLB Network Radio on Sirius XM that the team will be as aggressive "as anybody" in the next few days to get bullpen help.

Despite already helping the Seattle Mariners out on the big league roster, Keith Law says Cole Young is their most trade-able prospect.

For most of the season, the main talking point for top 100 Seattle Mariners prospect Lazaro Montes has been his power. He flashed the glove in a web-gem play for the Double-A Arkansas Travelers. In the Travelers' 3-2 loss against the Northwest Arkansas Naturals on Wednesday,

Ryan Sloan, the Mariners’ 19-year-old right-hander in his first season of pro ball, is quickly building a reputation as Seattle’s next great pitching prospect.

The Seattle Mariners could be big-time buyers at the trade deadline, but it might cost them one of their better prospects.

The annual MLB trade deadline not only impacts the final two months of the current season, but it also has a longer-lasting impact in the form of the prospect talent that is sent the other way by contenders.