According to the latest projection models from Baseball Prospectus, the Seattle Mariners are anticipated to be right around ...

Left-hander Tyler Jay is reuniting with the Milwaukee Brewers on a minor league deal. Per Adam McCalvy of MLB.com on social ...

The Mariners made another move to add bullpen depth, acquiring right-handed reliever Casey Legumina from the Reds on Monday ...

With spring training drawing near, the Mariners are less likely to trade righty Luis Castillo than they were earlier this ...

The latest update on Luis Castillo trade rumors indicates the Boston Red Sox probably won't land the Seattle Mariners ace.

The Seattle Mariners sure could use the version of J.P. Crawford they saw in the batter's box during the 2023 season.

Jorge Polanco is headed back to the Mariners at a new position. Find the details of the surprise move at MLB Trade Rumors.

Shipped to Seattle ...

The Mariners re-signed infielder Jorge Polanco on Thursday, and former big-leaguer Sean Casey thought it was a great move.

The Seattle Mariners lead all organizations with seven prospects in Baseball America's initial 2025 Top 100 rankings.

On Sunday, Detroit reportedly agreed to a two-year, $35 million contract with free agent pitcher Jack Flaherty, who confirmed ...

They don't come any better than Rick Rizzs. That sentence may come off as opinion but it's genuinely a matter of fact. You ...