Nick Castellanos exercises opt-out clause in deal with Cincinnati
Reds' Castellanos opts out of contract, becomes free agent - WTOP News
I didn't even get a phone call. - Nick Castellanos on Reds
Nick Castellanos opts out of contract, now a free agent
Nick Castellanos free agent profile
Nick Castellanos exercises opt-out clause in deal with Cincinnati
Nick Castellanos set to reject Reds qualifying offer (report)
What went wrong for Nick Castellanos during first season with
Reds' Castellanos returns to ballpark where he's comfortable
Potential Landing Spots for Nick Castellanos
Nick Castellanos To Exercise Opt-Out Clause - MLB Trade Rumors