SeattleTimes] 'There's only one Luis Castillo': A year later, blockbuster trade looks like win for Mariners, Reds : r/Mariners
Seattle Mariners' Luis Castillo Reaches Career Milestone on Monday - Fastball
Mariners trade for Reds pitcher Luis Castillo ahead of deadline
Luis Castillo goes from trade deadline target to Yankees foe
Luis Castillo traded to Mariners by Reds for 4 prospects - The San Diego Union-Tribune
MLB Trade Rumors: Luis Castillo, Frankie Montas 'Almost Certainly' Will Be Dealt, News, Scores, Highlights, Stats, and Rumors
Mariners' Luis Castillo lined up to face Yankees again next week
Luis Castillo trade grades: Mariners deal for another ace from Reds
Luis Castillo Traded to Mariners, What's Next For Dodgers! Ohtani, Soto?