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

The Phillies would love to add another arm or piece in the outfield. If the Mariners were willing to part ways with that, a one-for-one swap with big league talent could be something that makes sense.

The Seattle Mariners current projeted ... But even if Stanton didn't make that proclamation, the Mariners have famously looked to the trade market to find answers in positions of need.

The Mariners passed RHP Casey Lawrence through waivers for a fourth time this season. Read more about his unique situation at ...

Advertising But the rising market for pitchers — coupled with the Mariners’ need for offensive upgrades — makes a trade of a Seattle starter more likely now. Notably, free-agent left-hander ...

The Seattle Mariners are acquiring left-handed reliever Joe Jacques from the Los Angeles Dodgers, the New York Post reported ...

Robbie Ray has been nothing short of phenomenal for the Giants this season. The Mariners sure could use a pitcher like that.

The Mariners' bullpen, which has been heavily taxed lately, is adding another southpaw via the Los Angeles Dodgers. Joe ...