Diamondbacks retire Hall of Famer Randy Johnson's number
Former M's ace Randy Johnson retires after 22 seasons
Randy Johnson compared to other retired D-backs numbers
Retired Numbers, History
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Randy Johnson's Hall of Fame plaque will have Diamondbacks cap
Randy Johnson took a chance on the D-backs 19 years ago and it turned into 4 Cy Young Awards
Randy Johnson's Viewfinder Points to the Hall, and Beyond - The New York Times
Arizona Diamondbacks to retire Randy Johnson's number
Randy Johnson going into Hall as Diamondback
Randy Johnson Hall of Fame
Arizona Diamondbacks All-Time Top 50: #1, Randy Johnson - AZ Snake Pit
Randy Johnson inducted into Baseball Hall of Fame: Arizona Diamondbacks will retire his number - Sports Illustrated
D-backs retire Big Unit's No. 51
Randy Johnson will enter Hall of Fame with Arizona Diamondbacks cap