Luis Castillo (pitcher, born 1992) - Wikipedia
Reds and Dodgers have discussed a Luis Castillo trade - Redleg Nation
Mariners acquire Reds All-Star SP Luis Castillo
Mariners acquire Reds All-Star pitcher Luis Castillo in trade - Los Angeles Times
Luis Castillo extension: Mariners agree to five-year deal with righty, reportedly worth $108 million
Cincinnati Reds trade Luis Castillo to the Seattle Mariners for prospects - Redleg Nation
Mariners trade for Reds pitcher Luis Castillo ahead of deadline
Why time is now for Reds to trade 2 potential All-Stars
Mariners acquire pitcher Luis Castillo from Reds for 4 prospects - The Athletic
Mariners get All-Star RHP Castillo for prospects Marte and Arroyo, 2 RHP - Seattle Sports
Luis_Castillo
Mariners Reportedly Acquiring Luis Castillo from the Reds for a Huge Package (UPDATE) - Bleacher Nation
Mariners acquire ace Luis Castillo from Reds for 4 prospects
After acquiring Luis Castillo, what will the Mariners do next? - The Athletic