Mariners acquire All-Star starter Luis Castillo from Reds for four prospects
Reds acquire 4 prospects from Mariners for Luis Castillo
Luis Castillo Drawing Early Trade Interest - MLB Trade Rumors
MLB trade rumors: The Reds players who will draw the most interest
MLB rumors: 5 favorites to trade for Reds pitcher Luis Castillo
Luis Castillo trade grades: Mariners deal for another ace from Reds
Weighing in on a Luis Castillo trade proposal - BlueJaysNation
Cincinnati Reds trade Luis Castillo to the Seattle Mariners for prospects - Redleg Nation
Cincinnati Reds Trade Deadline Outlook
LA Angels are frontrunners for most coveted starting pitcher on trade block
Building a Hypothetical Luis Castillo Trade Offer - Outfield Fly Rule
Dodgers Rumors: Did Mariners-Luis Castillo deal screw up trade market?
Reds: Best trade package from the Twins for Luis Castillo
Mariners excited for addition of Luis Castillo, who will join team Monday, Mariners
Luis Castillo faces Yankees for Reds amid trade rumors