This Day in Transaction History: Blue Jays acquire David Cone again - NBC Sports
Yankees pitcher Domingo Germán throws 1st perfect game since 2012. It's the 24th in MLB history - WSVN 7News, Miami News, Weather, Sports
Yankees' Corey Kluber throws no-hitter: Here's a list of Yankees no-hitters and perfect games
July 18, 1999: With Don Larsen watching, David Cone channels perfection for Yankees – Society for American Baseball Research
Perfect Game Yankees Autographed Framed Display: Larsen, Cone, Wells, Berra, Girardi & Posada! - Little Saint Nick Foundation
Full Count: The Education of a Pitcher: 9781538748848: Cone, David, Curry, Jack: Books
No-hitter for 2nd straight day: Kluber pitches Yanks' gem - The San Diego Union-Tribune
David Cone's Perfect Game, David Cone pitched the game of his life in this 1999 throwback., By New York Yankees Highlights
Yankees pitcher Domingo Germán throws 1st perfect game since 2012. It's the 24th in MLB history – Winnipeg Free Press
It's a baseball gods thing': 20 years later, David Cone's perfect game remains a captivating viewing - The Athletic
New York Yankees David Cone Autographed Perfect Game Ticket