Luis Castillo, Mariners Agree on Extension, per Report - Sports
Mariners: Luis Castillo extension signals commitment to compete
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Mariners extend ace they acquired at deadline with five-year, $108
Seattle Mariners Team News, Fixtures and Results
Seattle Mariners, pitcher Luis Castillo agree to 5-year, $108M deal
Mariners who could get contract extensions
Luis Castillo News, Rumors, Stats, Highlights and More
Luis Castillo: Breaking News, Rumors & Highlights
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Luis Castillo extension: Mariners agree to five-year deal with