Castellanos decides not to opt out, keeps contract with Reds

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Nick Castellanos reflects on return to Cincinnati

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Even With His Contract Opt-Outs and Universal DH, You Probably Shouldn't Get Any Nick Castellanos Hopes Up - Bleacher Nation

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What's next for Reds once Nick Castellanos makes opt out decision?

Castellanos opts out of Reds contract to become free agent, report says

Nick Castellanos, Major League Baseball, News, Scores, Highlights, Stats, and Rumors