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

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.

Casey Lawrence is back in the big leagues, as the Mariners have again called him up. Read more at MLB Trade Rumors.

You don't have much time to prove your value in the MLB; sometimes, even if you do make the most of your opportunity, it ...

With closer Jose Alvarado suspended, the Phillies are exploring bullpen upgrades and White Sox's reliever has emerged as a ...

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 are in the lead in the American League West division, but the right trade could help them secure the AL pennant.

The Seattle Mariners are in desperate need of ... Castillo remains off-limits – at least for now.” Rumors surrounding a potential trade of Castillo are not new, as there was much speculation ...

Throughout the winter, the Seattle Mariners fielded multiple trade offers ... despite persistent trade rumors that swirled around Castillo in particular. The 32-year-old Castillo is entering ...