Houston Astros: It's time to retire J.R. Richard's number

Why isn't JR Richard's number retired? : r/Astros

Best Astros players by uniform number

Compiling the greatest players in Houston Astros history

Astros pitching great J.R. Richard dies at age 71: Teammates honor 'dominating' competitor

Obituary: J.R. Richard (1950-2021) – RIP Baseball

J.R. Richard's message as captivating as the fastball of his Astros days

August 3, 1979: J.R. Richard strikes out 15 in complete-game victory over Braves – Society for American Baseball Research

Houston Astros - Wikipedia

Obituary: J.R. Richard (1950-2021) – RIP Baseball

J.R. Richard, former Astros all-star pitcher who had career cut short by stroke, dies Thursday

J.R. Richard, Fireballing Pitcher Whose Career Was Cut Short, Dies at 71 - The New York Times