There was speculation that the Mariners could still potentially move Castillo based on where Alex Bregman signs. But it seems possible that Seattle is ... Dylan Moore/Leo Rivas/Ryan Bliss/Cole ...

Castillo was the Seattle Opening Day starter for two years, but was excited for his teammate to get his shot. PEORIA, Ariz. — The Seattle Mariners starting rotation was the team's most sure ...

Now, I don't want to sound fatalistic: I'm not saying that Castillo is all of a sudden going to bottom out for the Seattle Mariners. He's still going to be good, and he'll have games where he ...

The Seattle Mariners will open up the 2025 regular ... it is noteworthy since Luis Castillo has made that start each of the last two seasons. ESPN MLB Insider Buster Olney joined the most recent ...