Why Luis Castillo's Mariners debut vs. Yankees was proof that he's the ace Seattle needed
Seattle Mariners' Luis Castillo Enters Start vs. Yankees On Top of This List in Team History - Fastball
Mariners get All-Star RHP Castillo for prospects Marte and Arroyo, 2 RHP - Seattle Sports
Seattle Mariners acquire Luis Castillo, send package highlighted by prospect Noelvi Marte to Cincinnati Reds - ESPN
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Luis Castillo trade takes Mariners beyond ending the playoff drought - Sports Illustrated
Mariners, Luis Castillo Agree To Long-Term Contract Extension, by Mariners PR
Mariners ace Luis Castillo again has lofty goals — and they seem quite realistic this season
Dave Roberts: Luis Castillo Trade To Mariners 'A Good Thing
Castillo and Crawford lead the Mariners to a 4-0 victory over the Diamondbacks - The San Diego Union-Tribune
Why the Reds didn't extend Luis Castillo before Mariners trade
Castillo sharp, Mariners blank Jays 4-0 in wild-card opener
Mariners lock up SP Luis Castillo to long-term extension
Seattle Mariners trade for Luis Castillo