Twenty-one years go, Randy Johnson made his Diamondbacks debut.

Total Command With an unprecedented April in which he was all but unhittable, the Diamondbacks' majestic Randy Johnson made his case for the title of the game's best pitcher - Sports Illustrated

Randy Johnson hit a bird 21 years ago. Here's what to know about it.

Randy Johnson - BallNine

Randy Johnson Pedro Martinez almost Expos teammates

MLB - Randy Johnson: A Hall of Fame tribute - ESPN

Throwback Thursday: Diamondbacks have colorful history on Aug. 10

Back in Arizona, Johnson Is Staring Down 300-Win Milestone - The New York Times

Though he'll enter Hall of Fame as a D-Back, Randy Johnson cherishes time with Mariners

Johnson wins NL Cy Young