Nick Castellanos opts out of Reds contract, becomes free agent - Redleg Nation
Sonny Gray frustrated after early exit against Tigers
Sonny Gray rips Yankees for forcing him to throw the wrong breaking ball, but the stats disagree
Sonny Gray frustrated after early exit against Tigers
Yankees: Revisiting the Yankees trading Sonny Gray to the Reds
Reds' Sonny Gray: Yankees made me throw slider too often - Sports Illustrated
Bryan Van Dusen I'm Not A Headline Guy
Reds' Sonny Gray blames Yankees pitch choice for his 2018 struggles
Pinstripe Alley Top 100 Yankees: #50 CC Sabathia - Pinstripe Alley
Yankee Stadium broke Sonny Gray. Would Great American Ball Park be any better for him? - Red Reporter
Reds' Sonny Gray admits sad truth about Yankees, New York City
Sonny Gray terrible again as Yankees fall to Blue Jays – New York Daily News
After Rocky Start, Sonny Gray Settles Down to Top Slumping Orioles - The New York Times