Mariners, Luis Castillo Agree To Long-Term Contract Extension, by Mariners PR
Reds Ship Luis Castillo to Mariners - Last Word On Baseball
Hunter Greene, Reds agree on 6-year, $53M extension - ESPN
Building a Hypothetical Luis Castillo Trade Offer - Outfield Fly Rule
Reds focusing on trade of Sonny Gray; Tyler Mahle, Luis Castillo 'off limits,' per report - Red Reporter
The Yankees have what it takes to trade for Luis Castillo - Pinstripe Alley
Luis Castillo Joey Votto Boston Red Sox Cincinnati Reds
Mariners acquiring Reds ace Luis Castillo in blockbuster trade
Reports: Reds trade Luis Castillo to Mariners for four prospects
Mariners extend ace they acquired at deadline with five-year, $108 million deal