All-Star Reds OF Nick Castellanos opts out of contract
Castellanos opts out of Reds contract to become free agent, report
Story, Castellanos among MLB's newest $100 million men
Reds All-Star Nick Castellanos undecided about opt-out
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Digest: Reds' Castellanos opts out, is free agent
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Former Tiger Castellanos Signs With Reds - CBS Detroit
Nick Castellanos set to reject Reds qualifying offer (report)
Castellanos opts out of contract with Reds
Nick Castellanos To Exercise Opt-Out Clause - MLB Trade Rumors
Nick Castellanos excited about offensive potential in Cincy - ESPN