Is the timing right for a Luis Castillo contract extension with the Cincinnati Reds? - Red Reporter
Mariners sign Luis Castillo to five-year, $108M contract extension
Projected arbitration raises for the Cincinnati Reds in 2023 - Redleg Nation
Reds ace Luis Castillo hit with Spring Training injury setback
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Salk: Seattle Mariners don't look cheap while Luis Castillo dominates - Seattle Sports
Is the timing right for a Luis Castillo contract extension with the Cincinnati Reds? - Red Reporter
Reds will consider trading Sonny Gray; Castillo, Mahle off limits - Redleg Nation
Reds still have three Top 60 prospects in baseball despite graduations - Redleg Nation
Luis Castillo discusses contract extension with Mariners
Nolan Arenado says he is happy in St. Louis - A Hunt and Peck - Viva El Birdos
Q&A: Cincinnati Reds' rough starts and season hopes with Red Reporter - Bless You Boys
Luis Castillo's Reds teammates on dominant season
Reds and Dodgers have discussed a Luis Castillo trade - Redleg Nation
Cincinnati Reds right-hander Luis Castillo has struggled so far
Luis Castillo strikes out 8 in win, departs to standing ovation after likely final start with Cincinnati Reds - ESPN
Reds Notebook: Luis Castillo trade rumors, the draft, and a promotion - Redleg Nation