The Mariners sent Miles Mastrobuoni to the Triple-A Tacoma Rainiers to make room for first baseman Josh Naylor.

He has 111 career home runs and 366 total RBIs. Arozarena also made team history, per Romero: Randy Arozarena is the first ...

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.

Seattle Mariners first baseman/designated hitter Justin Turner has done something no M's player has done all season over his recent hot stretch: Reach base in 18 consecutive games.

Don't think that the Seattle Mariners' trade Thursday night for one Arizona Diamondbacks All-Star rules them out for ...

The Seattle Mariners are coming off one of their most dominant games of the season after a 10-0 dismantling of the Chicago White Sox on Friday. The Mariners put up eight runs in the first innings ...

The Mariners mostly shied away from the free agent market on the heels of their drought-ending playoff berth. Instead, Seattle turned to trade to add to a lineup that had been a bit top-heavy in 2022.

SEATTLE — The Seattle Mariners have looked like they've been shot with a dose of adrenaline the last two weeks. And the recent additions of Justin Turner and Randy Arozarena are big reasons why.

Fraley’s looked like the player the Reds had hoped they were getting in the trade, before leg injuries slowed his start with the team. In 15 games before going on the IL, Fraley hit .116/.208/.233.

It seems the Mariners could attempt to be both buyers and sellers at the approaching MLB trade deadline. Here's a look at the trade value of Seattle's players.