Matt Olson homers again, Braves hold off Reds
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Which former Reds players are on the NLCS rosters?
Reds' Nick Castellanos candidate for 2021 Hank Aaron Award
Nick Castellanos exercises opt-out clause in deal with Cincinnati Reds to become free agent - ESPN
Nick Castellanos' offense, defense on display in Reds 4-3 win over Tigers - Red Reporter
Nick Castellanos highlight catches surprising and saving Phillies - Sports Illustrated
MLB free agency: How Nick Castellanos fits Giants' roster hole – NBC Sports Bay Area & California
AP source: Castellanos, Phillies agree to $100M, 5-year deal
BenFred: Flexin' Nick Castellanos makes hard slide to No. 1 on list of Cardinals agitators
Phillies slugger Nick Castellanos interrupts NBC Sports Philadelphia broadcast