According to a report from Bob Nightengale of USA Today, the M's were offered a young infielder for Castillo, but said no.

The Seattle Mariners bullpen has been arguably the most volatile unit on the team through the first 17 games of 2025. The ...

The Mariners have reportedly made pitcher Luis Castillo "off limits" in trade talks. "One club who offered a young infielder ...

We take a look around baseball to see how players from the 2023 and 2024 Seattle Mariners rosters are doing with their new teams.

In the wake of recent injuries to Victor Robles and Ryan Bliss, the Mariners are reportedly seeing if there are deals to be ...

Seattle is looking to upgrade its lineup, but is not currently interested in trading from its vaunted rotation to do so. Read ...

The Seattle Mariners bullpen has been one of the most volatile units on the team in 2025 in terms of transactions. Right-handed relievers Troy Taylor and Matt B ...

The Seattle Mariners and Cleveland Guardians made a trade this morning. The Mariners are 4-7 and sit four games back of first ...

"I spent five years here, and being able to pitch here on that mound again was special," Castillo said Tuesday night.

Woo would immediately slot into a Red Sox pitching staff filled with injuries. Bryan Bello, Lucas Giolito, Kutter Crawford, ...

The New York Yankees signed Max Fried this offseason, but an injury to Gerrit Cole could force them to look for pitchers at ...

The New York Yankees will likely look to target $108 million Seattle Mariners pitcher Luis Castillo in a blockbuster trade ...