Chasing Perfection: An Inside Look at Baseball's Perfect Games
David Wells tosses the first regular-season perfect game in Yankee history in 1998 – New York Daily News
David Wells' amazing story behind hungover perfect game
David Wells' Perfect Game - 20 Years Later - Zone Coverage
What is the difference between no-hitter and perfect game? Comparison between two rare feats in baseball
David Wells' perfect game 25 years later: David Cone on how it impacted '98 season
Jorge Posada - Wikipedia
1998 Yankees recall David Wells' perfect game
Best Yankees Games of Past 25 Years: David Wells' perfect game - Pinstripe Alley
Paul O'Neill, Baseball Wiki
What a Week! Including Baseball's 24th Perfect Game!