Luis Castillo, J.P. Crawford lead Mariners to 4-0 victory over the Diamondbacks
Reds: Luis Castillo gets last laugh after brilliant start to season
Houston Astros: Seattle Mariners on deck
The Cincinnati Reds might have an ace in Luis Castillo - Red Reporter
Yankees' trade for Royals' Andrew Benintendi is a start, but need Reds' Luis Castillo to win a World Series
MLB rumors: Imagining a Yankees-Reds Luis Castillo blockbuster trade
Who Yankees did, and did not, offer to get Luis Castillo
Reds activate Luis Castillo, option Riley O'Brien to Triple-A - Redleg Nation
Luis Castillo raises concern as slump continues in loss to Red Sox
Luis Castillo shuts down Pirates with ease as Mariners coast to victory
Luis Castillo stars as Mariners beat Royals 3-2 to grab sole possession of AL West
Luis Castillo trade takes Mariners beyond ending the playoff drought - Sports Illustrated
How Luis Castillo can become an ace — Part One - Redleg Nation