With the international signing period beginning on Wednesday, MLB.com took a look at each team's best international prospect.

Former Seattle Mariners reliever Matt Festa, recently designated for assignment by the Texas Rangers, has a new home already.

The Seattle Mariners minor league system is likely going to look significantly different in 2025. The team's Double-A ...

The Seattle Mariners boast one of the best farm systems in all of baseball. The Mariners ended the season with eight ...

The Seattle Mariners reached agreements with all seven players eligible for salary arbitration on Thursday, and claimed ...

The Chicago White Sox signed free agent infielder Josh Rojas Wednesday, according to a press release from the team. The White ...

ESPN MLB Insider Jeff Passan reported the three finalists for the Japanese ace Monday. The Seattle Mariners were not included ...

At long last, the Mariners have signed a Major League free agent. The club announced on Monday that it had agreed to a ...

While the Mariners have been relatively quiet throughout the offseason, Seattle did bolster their infield with an intriguing ...

Seattle Mariners insider Shannon Drayer on what veteran infielder Donovan Solano, who signed a one-year deal Monday, means ...

The Seattle Mariners added to their position player depth Monday by signing a former Silver Slugger Award winner who spent ...

Early in the process, the Mariners were considered a longshot to land Sasaki. The Los Angeles Dodgers and San Diego Padres ...