The Boston Red Sox probably didn't anticipate one of their best players being the subject of trade rumors in June, but that is the situation they've put themselves in.

Rymer of Bleacher Report lists the Seattle Mariners as the top destination if he ... Curt’s work includes covering trade and free agency predictions, as well as rumors and news.

The Baltimore Orioles' Ryan O'Hearn, who is in town this week, could be a key Seattle Mariners trade target, as ESPN's Jeff Passan explained.

The Astros are aiming to get back to the postseason for the ninth consecutive year. However, their playoff hopes rely on star ...

Seattle Mariners star catcher Cal Raleigh is having a great season at the plate, putting him in contention for the AL MVP ...

The Mets and Mariners are both contenders and they could look to the scuffling Orioles for some trade deadline help.

The Mariners are acquiring a former big league reliever who is currently in the minor leagues with the Dodgers. Read more at ...

After a stretch of three consecutive extra-inning games left the bullpen thin, Luis Castillo gave the Mariners a much-needed ...

The Mariners are promoting top infield prospect Cole Young. Find out more about the big move at MLB Trade Rumors.

The Mariners will promote top infield prospect Cole Young this weekend, reports Daniel Kramer of MLB.com. He is not yet on ...

The Seattle Mariners are currently leading the American League West with a 30-25 record and will likely look to upgrade ...

Who could the Mariners add at the MLB trade deadline, according to The Athletic's Ken Rosenthal? They're looking for offense.