MLB Offseason News: Reds sign Nick Castellanos - Over the Monster
Nick Castellanos opts against opting-out of Cincinnati Reds contract - Red Reporter
5 storylines for Reds heading into offseason include what to make of bad finishing stretch
Nick Castellanos Is Likely to Opt Out of Reds Deal and Become a Free Agent After the Season - Bleacher Nation
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Nick Castellanos Signs with Reds: Finally Off the Board – New Baseball Media
Nick Castellanos To Exercise Opt-Out Clause - MLB Trade Rumors
Former Reds outfielder Nick Castellanos has a new suitor
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Heyman: Will Nick Castellanos be too expensive for Jeter-less Marlins?
Nick Castellanos signing with Reds FAQs
Nick Castellanos' offense, defense on display in Reds 4-3 win over Tigers - Red Reporter
Reds agree to four-year deal with outfielder Nick Castellanos