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

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

Seattle Mariners starting pitcher Bryan Woo was recently listed as one of the 'breakout' candidates around baseball as spring ...

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

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

The Mariners signed former Tigers right-hander Luis F. Castillo to a minor league contract and spring invite. Read more at ...

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

The initial plan for this analysis was to offer an update on potential moves or signings that the Mariners might make as the ...

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.

An article by MLB.com's Daniel Kramer hinted at what shape the Seattle Mariners' big offseason move could take depending on a ...

Ask any Mariners fan what they think off the offseason so far, and you’ll be met with anger and disappoint. After a ...