Nick Castellanos doesn't opt out of Reds contract
Cincinnati Reds: Examining the Castellanos Contract
Castellanos' flex draws ire of Molina, Cardinals, and brouhaha brings eventual ejection
Nick Castellanos opts against opting-out of Cincinnati Reds contract - Red Reporter
MLB Trade Rumors and News: Reds ink Nick Castellanos to a four year deal, per report - MLB Daily Dish
Nick Castellanos Contract
Phillies Sign Nick Castellanos - MLB Trade Rumors
Detroit Tigers need a Nick Castellanos-type of player in lineup
How Nick Castellanos' time in Cincinnati — and a meeting with a Reds icon — helped set him up for Year 2 with the Phillies
Nick Castellanos introduced by Reds
Nick Castellanos Contract
As he wins Silver Slugger, 'unemployed' Nick Castellanos ready to swim in free agency's deep end. Are the Reds? - The Athletic
Reds Sign Nick Castellanos - MLB Trade Rumors