ATLANTA - MAY 18: Randy Johnson #51 of the Arizona Diamondbacks throws a pitch against the Atlanta Braves during the game on May 18, 2004 at Turner Field in Atlanta, Georgia. The Diamondbacks beat the Braves 2-0. Randy Johnson pitched the 17th perfect game in major league history. Johnson, 40 years old, also became the oldest pitcher to throw a perfect game. Pio Roda/Atlanta Braves/MLB Photos/Getty Images