Bottom of the 9th of Randy Johnson's perfect game

Johnson perfect at age 40

On This Day - Randy Johnson Perfect Game, #OTD in 2004, Randy Johnson spun a perfect game at AGE 40! #RattleOn, By Stadium

Ranking MLB's perfect games: 5-1

JAWS and the 2015 Hall of Fame ballot: Randy Johnson - Sports Illustrated

Full list of perfect games: How many have there been in MLB history?

Randy Johnson's perfect game - Wikipedia

How many perfect games have been thrown in MLB history?

Randy Johnson top career moments

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