Former Seattle Mariners reliever Brett de Geus signed a new contract with the Miami Marlins on Thursday. The Marlins Communications Department announced the move on social media: The Miami Marlins ...

The Seattle Mariners lost right-handed pitcher Seth Martinez in an apparent waiver claim on Saturday. First, the Mariners PR team announced that Martinez had be ...

After much success in its debut last year, Spring Breakout is back in 2025, creating a showcase-type opportunity for the best ...

A Seattle Mariners bullpen option is going to the NL on a waiver claim, while a player who debuted in 2024 will start this year in Triple-A.

The Marlins have claimed right-hander Seth Martinez off the Seattle waiver wire ... and Martinez only joined the Mariners on another waiver claim from Miami less than two weeks ago.

The Mariners announced that right-hander Seth Martinez was claimed off waivers from the Marlins. Righty Jackson Kowar was placed on the 60-day injured list in Seattle’s corresponding roster move.

The Seattle Mariners will host the Athletics at 7:10 p.m. PDT on March 27 at T-Mobile Park for their regular-season opener of ...

The Seattle Mariners announced today that Nintendo of America Inc. has expanded upon their long-standing relationship with the club, becoming the team’s first-ever official jersey sleeve partner.