Prospects1500 brings you the Top 50 prospects for each system in baseball. This is our Seattle Mariners Top 50 prospects for ...

As the MLB offseason continues, the Mariners have agreed to a deal with free agent and former Orioles pitcher Shintaro ...

Baseball Prospectus released its Top 101 prospects heading into the 2025 season. The Seattle Mariners had six players in the ...

After missing out on Korean infielder Hye-seong Kim earlier this offseason, could the Seattle Mariners make a run at another ...

The Mariners signed hard-throwing righty Shintaro Fujinami to a minor league deal with spring training invitation. Read more ...

Félix Hernández's path to the Hall of Fame was sidetracked over the final three years of his career, but he was among ...

The Seattle Mariners and Shintaro Fujinami have reportedly agreed on a minor league contract with an invitation to spring training.

The Little League Classic game between the Seattle Mariners and New York Mets will be the lone prime time representation for ...

The Mariners have announced that catcher Nick Raposo has cleared waivers and been sent outright to Triple-A Tacoma. He had ...

Mariners’ president of baseball operations Jerry Dipoto tried solving this problem at the trade deadline by adding Justin Turner and Randy Arozarena. However, these additions weren’t enough to stop ...

The Mariners have had the chance to bolster their lineup this offseason, but instead have stayed quiet while hoping to trade ...

The Mariners announced Thursday that left-hander Austin Kitchen, whom they’d designated for assignment in order to open ...