Roy Halladay was a clear Hall of Famer - Beyond the Box Score
Koufax achieves perfection
Randy Johnson threw the 17th perfect game ever on this day in sports history - Sports Illustrated
Doyle scores from 2nd on wild pitch by outfielder-turned-pitcher Luplow in 11th, Rox beat Twins 3-2 - ABC News
October 8, 1956: Don Larsen throws a perfect game in the World Series – Society for American Baseball Research
Phillies to retire late Roy Halladay's No. 34 on perfect game anniversary
No perfect game? Orioles' John Means isn't bothered by that dropped third strike in no-hitter vs. Mariners.
Brayden Griffiths Class of 2029 - Player Profile
I was an MLB legend and pitched a perfect game – but I quit to take up a job I love even more
A look at Northern Kentucky players in Major League Baseball
Top 10 Pitching Performances When Opposing Pitcher Throws a Perfect Game, News, Scores, Highlights, Stats, and Rumors