June 4, 2009: Randy Johnson wins his 300th career game – Society for American Baseball Research
ESPN on X: On This Date: In 2004, 40-year-old Randy Johnson became the oldest player to throw a perfect game 💪 / X
This Week in MLB History: Randy Johnson Makes History with Perfect Game in 2004, News, Scores, Highlights, Stats, and Rumors
ESPN Stats & Info on X: 12 years ago today, Randy Johnson became oldest to pitch perfect game (age 40) for Diamondbacks against the Braves. / X
Escape from N.Y.?
Randy Johnson's perfect game - Wikipedia
Yanks may trade Randy Johnson - Taipei Times
JAWS and the 2015 Hall of Fame ballot: Randy Johnson - Sports Illustrated
SI Vault: Randy Johnson's path to 300 wins and the Hall of Fame - Sports Illustrated
Johnson perfect at age 40
June 4, 2009: Randy Johnson wins his 300th career game – Society for American Baseball Research
ESPN analyst says Randy Johnson tipped pitches his whole career
Randy Johnson's Perfect Game (5/18/04)
On This Day - Randy Johnson Perfect Game, #OTD in 2004, Randy Johnson spun a perfect game at AGE 40! #RattleOn, By Stadium