Former Seattle Mariners reliever Matt Festa has been designated for assignment by the Chicago Cubs, according to the team.

Former Seattle Mariners infielder Adam Frazier has signed a one-year deal with the Pittsburgh Pirates, according to Mark ...

The only big move the Mariners have made is bringing in Donovan Solano on a one-year, $3.5 million deal. But Seattle has also ...

The Mariners are cornering the market on right-handed pitchers named Luis Castillo. Seattle reached a Minor League deal with ...

The Seattle Mariners' 2025 roster needs more offense to compete for a postseason berth. Could Toronto Blue Jays shortstop Bo ...

The former Kansas City Royals draft pick recently played for the Seattle Mariners' American League West rivals, the Los ...

While a team like Cincinnati packaging McLain with one of their own rotation arms like Nick Lodolo in order to land an elite ...

The Houston Astros are reportedly eyeing Seattle Mariners infielder Jorge Polanco as a potential Alex Bregman replacement.

The Mariners signed Castillo to a minor-league contract Tuesday that includes an invitation to spring training, Jon Heyman of the New York Post reports.

The Washington Nationals signed Japanese pitcher Shinnosuke Ogasawara despite his losing record. General Manager Mike Rizzo ...

Left-handed reliever Tyler Jay rejected an outright assignment from the Mariners and elected free agency instead. Read more ...

PITTSBURGH -- Adam Frazier is heading back to the Pittsburgh Pirates, according to multiple reports. The club has agreed to ...