Mariners pitcher Luis Castillo's 5-year extension keeps him in the 'family long term
Trade Analysis: Brewers place faith in Jesse Winker's bat in two-player return for Kolten Wong - Brew Crew Ball
Mariners In Focus: What stands out from M's debut of Luis Castillo - Seattle Sports
Seattle Mariners trade for Luis Castillo
Luis Castillo trade grades: Mariners, Reds both receive 'A' for deadline's first blockbuster
Castillo strikes out 8 as surging Mariners drop A's 5-1 - The Columbian
With Castillo in total command, Mariners jump out to series lead - Seattle Sports
Mariners Trade Deadline Targets: Hitters -- 2B options, Juan Soto, more - Seattle Sports
Seattle Mariners: A History of Second Baseman Second to None