Reports: Reds trade Luis Castillo to Mariners for four prospects
Why Yankees traded for Frankie Montas, not Luis Castillo, before deadline
Dave Roberts: Luis Castillo Trade To Mariners 'A Good Thing'
Mariners sign ace Luis Castillo to five-year, $108 million extension, Mariners
MORE
Reds trade Luis Castillo to Mariners, add 4 well-regarded prospects - The Athletic
Reds Promote Noelvi Marte - MLB Trade Rumors
Luis Castillo and His Fastball Heat Up as the Trade Deadline Approaches
Mariners acquire 'dominant' starter Luis Castillo from Reds
Cincinnati Reds prospects report: Noelvi Marte is catching fire at Double-A
Servais compares Castillo to King Felix in 1st outing with Mariners
Report: Seattle Mariners Trading for Cincinnati Reds Luis Castillo - Sports Illustrated Texas Rangers News, Analysis and More
Mariners' Luis Castillo keeps reminding Yankees of trade deadline blunder