And most of that speculation has involved veteran hurler Luis Castillo. There's been several ... million vesting option for 2028, according to Spotrac. That deal could be considered a steal ...

Castillo is 32 years-old and is owed over $70 million the next three years with a $25 million vesting option in 2028, per Spotrac ... at Potential Returns For Luis Castillo.

The Mariners have signed right-hander Luis F. Castillo to a minor league contract and invited him to big league camp this spring, Jon Heyman of the New York Post reports. The 29-year-old Castillo ...