Nick Castellanos opts out of Reds contract, becomes free agent - Redleg Nation
Nick Castellanos Cincinnati Reds beat Milwaukee Brewers
Reds split doubleheader with Cubs after Castellanos scores on wild pitch
Phillies Nick Castellanos key hit, catch flip World Series Game 1 - Sports Illustrated
India, Castellanos homer to back Gray; Reds beat Brewers 5-1
I didn't even get a phone call. - Nick Castellanos on Reds ownership
Take 2: Nick Castellanos, Phillies eliminate Braves again in NLDS
Nick Castellanos Coyly Indicates He'll Opt Out of Reds Deal, Puts Ball in Cubs' Court for Potential Reunion - Cubs Insider
The Phillies are really going for it, and it feels good - The Good Phight
MLB - The Cincinnati Reds' strong offseason continues as they ink Nick Castellanos to a 4-year, $64M deal. atmlb.com/2O3xUUB
Mahle tosses 7 shutout innings in Reds' win over Phillies
Nick Castellanos talks free agency and the Cincinnati Reds - Redleg Nation
Nick Castellanos unlikely to return to Reds in 2022
Votto, Castellanos homer in Reds' 10-3 rout of Indians Ohio & Great Lakes News - Bally Sports