Mariners sign Luis Castillo to 5-year, $108 million extension - The Athletic
BREAKING NEWS: Mariners, Luis Castillo Agree on BIG Extension
Luis Castillo discusses contract extension with Mariners
Deception Is the Key to the Mariners' Playoff Push, Sports Illustrated
Seattle Mariners, Luis Castillo Reportedly Agree to Contract Extension - Sports Illustrated Texas Rangers News, Analysis and More
Dipoto: Mariners' Julio extension 'fired up' Luis Castillo to sign long-term - Seattle Sports
Dipoto dives deep into how Luis Castillo has been Mariners' ace - Seattle Sports
Mariners and Luis Castillo agree to 5-year, $108 million extension with sixth-year option - Lookout Landing
Luis Castillo sets lofty goals for first full season with Mariners
Luis Castillo contract grade: Mariners extend their ace for half-decade
Why New York Yankees Didn't Trade For Luis Castillo at Deadline, Acquiring Frankie Montas Instead - Sports Illustrated NY Yankees News, Analysis and More
Dipoto dives deep into how Luis Castillo has been Mariners' ace - Seattle Sports
Yadier Molina - Wikipedia
Seattle Mariners Traded for Luis Castillo and Now They're Signing Him to a Huge Extension - Bleacher Nation
Mariners bats pick up a not-sharp Luis Castillo to beat Cardinals, National Sports