Luis F. Castillo will be making his first major league start. The 30-year-old has three MLB relief appearances under his belt ...

The Mariners plan to select right-hander Luis F. Castillo to start Friday’s game against the Giants, the club informed ...

The Mariners announced that they have selected the contract of left-hander Jhonathan Díaz. The club already had an open ...

Mariners brass, meanwhile have expressed interest in extending all of their young starters. Read more at MLB Trade Rumors.

“Ichiro Suzuki becomes the first player in history to use his Hall of Fame speech to announce his comeback as an active ...

On Monday, left-hander Garrett Crochet signed a massive contract extension with the Boston Red Sox. After being acquired in an offseason trade with the Chicago ...

The Seattle Mariners may end up making a few shocking moves, including trading JP Crawford, following Cal Raleigh's massive ...

The Athletic's Sam Blum made a bold prediction that the Seattle Mariners will win the World Series this fall. He explained his reasoning on Wyman and Bob.

Seattle Mariners outfielder Randy Arozarena sends a warning to the league that may send a shiver down the backs of opposing pitchers.

The Mariners announced on Sunday morning that they have released veteran outfielder Mitch Haniger, who was in his second ...

The Mariners and catcher Cal Raleigh are reportedly finalizing an extension, which is pending a physical. It’s a six-year, $105M deal for the Excel Sports Management client, which starts this year.

The Mariners announced that right-hander Jesse Hahn and left-hander Drew Pomeranz were both released from their minor league ...