Castillo has been rock solid as the ace of the Mariners ... Hot Market for Starting Pitching Has Mariners Taking Calls for Luis Castillo.

The Seattle Mariners have signed another pitcher named Luis Castillo, and the most amazing part? He's also Dominican!

Seattle Mariners All-Star Luis Castillo won't be the only player with his own name at spring training after a reported ...

Boston continues its efforts at full speed this offseason to strengthen its lineup for the 2025 MLB season, and it seems that the star Dominican pitcher from the Seattle Mariners, Luis Castillo ...

Luis Castillo is owed about $24MM in each of the next three seasons. The Mariners have a pitching surplus and desire to improve their lineup on a limited budget. To me, that sounds like a perfect ...