Mariners get All-Star RHP Castillo for prospects Marte and Arroyo, 2 RHP - Seattle Sports
Mariners, RHP Luis Castillo agree to 5-year contract - The Columbian
Mariners July Review. TEAM NOTES…the Mariners finished July…
Reds acquire 4 prospects from Mariners for Luis Castillo
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Reds get Noelvi Marte, Spencer Steer, Victor Acosta at trade deadline
Luis Castillo traded to Mariners by Reds for 4 prospects - Seattle
Seattle Mariners acquire Luis Castillo, send package highlighted
Verlander wins MLB-leading 14th, Astros rout Mariners 11-1
Reds acquire 4 prospects from Mariners for Luis Castillo
Analysis: Grading Seattle Mariners' Trade For RHP Luis Castillo
Seattle stars ready to represent Mariners during All-Star Week
Luis Castillo (pitcher, born 1992) - Wikipedia
Rangers miss out on pitching help as Mariners land Luis Castillo
Edwin Arroyo is the #4 prospect in the Cincinnati Reds system