When was the last perfect game in MLB? Pitching's highest achievement far more rare than no-hitter
Randy Johnson, Pedro Martinez among four elected to Baseball Hall of Fame - Los Angeles Times
Randy Johnson top career moments
Randy Johnson gets number retired by Diamondbacks
Big Unit calls it quits after 22 MLB seasons
Domingo German pitches perfect game as Yankees drub A's
MLB - Randy Johnson: A Hall of Fame tribute - ESPN
Bottom of the 9th of Randy Johnson's perfect game
Randy Johnson strikes out a record 16 batters in relief and also sets the National League reliever record with seven consecutive strikeouts - This Day In Baseball
Randy Johnson's net worth in 2022