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

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

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 ...

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

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

Which teams had the most top 100 prospects? Which ones had the most top 40 prospects? Who climbed the ranks? Who fell 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.

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

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

Jared Carrabis is starting to lose hope for the Boston Red Sox signing Alex Bregman.

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