Winker homers, Mariners sweep Nats for 10th straight win
Mariners pitcher Luis Castillo's 5-year extension keeps him in the 'family long term
Diego Castillo - Seattle Mariners relevista - ESPN
ESPN's Passan on latest Mariners trade, a Cruz reunion, more - Seattle Sports
MLB Power Rankings Week 24: Who's No. 1 with two weeks left? - ESPN
Diego Castillo steps up as opener for Rays
Mariners place Diego Castillo on injured list with shoulder inflammation
745 Diego Castillo Baseball Player Stock Photos, High-Res Pictures, and Images - Getty Images
Luis Castillo (pitcher, born 1992) - Wikipedia
Mariners acquire reliever Diego Castillo from Rays for J.T. Chargois and prospect Austin Shenton - Lookout Landing
Mariners Acquire RHP Diego Castillo from Tampa Bay, by Mariners PR