Weeks after throwing perfect game, Yankee pitcher Domingo Germán enters treatment for alcohol abuse
Yankees History: David Cone Throws Perfect Game
Yankees' Domingo German fires perfect game vs. A's
Domingo German of Yankees Throws First Perfect Game Since 2012 - The New York Times
David Cone Signed Newspaper Perfect Game PG 7/18/98 NY Post Baseball Auto BAS
Yankees' Domingo German's perfect game will change his life, David Cone says
A Perfect Game By David Cone! See All 27 Outs of Cone's Historic Day
It's a baseball gods thing': 20 years later, David Cone's perfect game remains a captivating viewing - The Athletic
David Wells perfect game: Yankee pitcher makes history in 1998 - Sports Illustrated Vault
Here's the last 10 perfect games in MLB history. : r/mlb
Yankees pitcher Domingo Germán throws perfect game against Oakland