Luis Castillo extension: Mariners agree to five-year deal with righty, reportedly worth $108 million
Luis Castillo traded by Reds to Mariners ahead of MLB trade deadline
Mariners acquire Reds All-Star pitcher Luis Castillo in trade - Los Angeles Times
Castillo and Crawford lead the Mariners to a 4-0 victory over the Diamondbacks - The San Diego Union-Tribune
There's only one Luis Castillo': A year later, blockbuster trade looks like win for Mariners, Reds
Reds: Regrading the Mariners trade for Luis Castillo
ICYMI, Cincinnati Reds Pitcher Luis Castillo Has Been Traded to the Seattle Mariners, Sports & Recreation, Cincinnati
A year after jumping trade market, M's face similar complex decisions
Mariners trade for Reds pitcher Luis Castillo ahead of deadline