Castillo sharp, Mariners blank Jays 4-0 in wild-card opener
Mariners' All-Star pitcher once again reminds Yankees of what could've been
Luis Castillo traded to Mariners by Reds for four prospects
Mariners' Luis Castillo keeps reminding Yankees of trade deadline blunder
Mariners acquire Reds All-Star pitcher Luis Castillo in trade - Los Angeles Times
Mariners check in with Cincinnati Reds about Luis Castillo, per report
Mariners pitcher Luis Castillo was open to extension with Reds
Ex-Yankees trade target will make post-deadline deal debut at Yankee Stadium
Trade Central: Reds Trade Luis Castillo To Mariners For Prospect Haul — College Baseball, MLB Draft, Prospects - Baseball America
Luis Castillo trade grades: Mariners deal for another ace from Reds
Luis Castillo traded by Reds to Mariners ahead of MLB trade deadline
Mariners trade for Reds pitcher Luis Castillo ahead of deadline
Reds trade Luis Castillo to Seattle Mariners before MLB trade deadline