The latest MLB rumors cover how likely it is that Luis Castillo gets traded, J.D. Martinez's interest in returning to play in 2025, and more.

The thing is, the Mariners could still end up being a playoff team. They could even be a division winner. And given the pitching staff and nature of ...

The thing is, the Mariners could still end up being a playoff team. They could even be a division winner. And given the pitching staff and nature of baseball — where the most dominant teams aren’t ...

If the roster is indeed complete, the Mariners will enter another spring training without having added a notable upgrade on offense.

The Seattle Mariners pitchers and catchers set to report to Spring Training on Feb. 12. After an offseason filled with question marks about what the Mariners in ...

With spring training drawing near, the Mariners are less likely to trade righty Luis Castillo than they were earlier this ...

Luis Castillo’s name has swirled in trade rumors for much of the offseason, as Castillo is far and away the priciest member of the Mariners’ rotation.

The Twins checked in on Luis Castillo, but the Mariners don't appear to be trading the ace anywhere. Visit MLB Trade Rumors for more details.

The Mariners' roster is effectively set with the return of Jorge Polanco. Here's what it means for Seattle's infield mix.

It’s been a quieter offseason than usual for the Seattle Mariners, at least at the major league level. On Thursday, the Mariners made one of their most significant offseason moves.

The Seattle Mariners will fill the hole at 3B with the returning Jorge Polanco. Insider Shannon Drayer breaks the impact of the surprise move down.

In the eight offseasons since Derek Falvey took the helm in Minnesota, the Twins have averaged three major-league signings or ...