Mariners In Focus: What stands out from M's debut of Luis Castillo - Seattle Sports
Luis Castillo extension: Mariners agree to five-year deal with righty, reportedly worth $108 million
Seattle Mariners Top 11 Favorite to Win 2023 World Series. Agree?
Seattle Mariners, Luis Castillo agree to five-year, $108 million extension - ESPN
Luis Castillo to make Mariners debut Wednesday at Yankees - Seattle Sports
Brito solid in return to majors as Yankees beat Mariners 4-2
Seattle Mariners Takeaways from All-Star Game at T-Mobile Park - Seattle Sports
Luis Castillo appeared in a simulated game for the Cincinnati Reds
Cincinnati Reds links - Is Luis Castillo the perfect pitching prototype? - Red Reporter
Mariners are MLB's hottest team thanks to starting pitchers - Sports Illustrated
Mariners get All-Star RHP Castillo for prospects Marte and Arroyo, 2 RHP - Seattle Sports
Mariners blank A's to move closer in AL West, tie for final wild card