Righthander Luis Castillo stellar in his Seattle debut, helping the Mariners defeat the Yankees - The Boston Globe
Mariners sign ace Luis Castillo to five-year, $108 million extension, Mariners
Reds' Haul for Luis Castillo Creates Enthralling, Volatile Immediate Future
Luis Castillo Should Remain with Reds - Last Word On Baseball
What the Luis Castillo trade means for all-in Mariners and rebuilding Reds - The Athletic
MLB trade deadline: Mariners acquire Luis Castillo from Reds for huge prospect haul
Seattle Mariners trade for 2x All-Star Luis Castillo from Cincinnati Reds
Not The Luis Castillo We Know – Latino Sports
Luis Castillo Rumors: Ranking the Cincinnati Reds Pitcher's 5 Most Likely Trade Destinations