Luis Castillo traded to Mariners by Reds for 4 prospects
Luis Castillo 'ready to go' for first start with the Mariners, Sports
A year after jumping trade market, M's face similar complex decisions
Luis Castillo dealt to Mariners by Reds for 4 prospects - NBC Sports
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Luis Castillo, Mariners Agree To Multi-Year Deal
Luis Castillo traded to Mariners by Reds for 4 prospects –
MLB Free Agency: Reds Trade Jesse Winker & Eugenio Suarez To Mariners
Luis Castillo and His Fastball Heat Up as the Trade Deadline Approaches
Mariners get All-Star RHP Castillo for prospects Marte and Arroyo, 2 RHP - Seattle Sports
BREAKING: Mariners acquiring Reds ace Luis Castillo in blockbuster trade
Luis Castillo traded by Cincinnati Reds to Seattle Mariners EMERGENCY POD
Luis Castillo traded by Reds to Mariners ahead of MLB trade deadline
Mariners acquire Reds All-Star pitcher Luis Castillo in trade - Los Angeles Times
Reds trade Luis Castillo to Mariners, add 4 well-regarded prospects - The Athletic
