Luis Castillo dominates, Ty France plays hero in Mariners' season-opening win over Guardians
Mariners strike early, beat Yankees 7-3 in Luis Castillo's first start
Mariners use early homers, strong start by Luis Castillo to top Nationals 8-4 - The San Diego Union-Tribune
MLB rumors: Yankees having great offseason, still need more - Sports Illustrated
Mariners' Luis Castillo lined up to face Yankees again next week
ESPN's Passan: Luis Castillo doing what Mariners got him to do - Seattle Sports
Dipoto dives deep into how Luis Castillo has been Mariners' ace - Seattle Sports
In an intense 13-inning pitching duel, Mariners narrowly beat Yankees
Luis Castillo stars as Seattle Mariners beat Kansas City Royals to grab AL West lead
Mariners take AL West lead from Texas, beat Royals 3-2 behind Castillo's 7 shutout innings - The San Diego Union-Tribune
Mariners Game Notes — June 21 at New York-NL, by Mariners PR
Luis Castillo threatens to join list of aces Yankees let slip away