Houston Astros icon J.R. Richard, whose career was cut short by stroke in 1980, dies at age 71 - ESPN

J.R. Richard: Fifty Reasons His Number Should Be Retired - The Crawfish Boxes

Retire J.R. Richard's Number

J.R. Richard dead: Former Astros pitcher dies at 71 - Sports Illustrated

Gone but not forgotten: Notable sports figures who died in 2021 - The Boston Globe

Longtime NBC, ESPN broadcaster Jim Simpson dies

Who was J.R. Richard and what was his cause of death?

J.R. Richard Details Stroke That Ended MLB Career When He Was Dominating

The Saga of J.R. Richard's Debut: Blowing Away 15 Sticks at Candlestick – Society for American Baseball Research

J.R. Richard, power pitcher for 1970s Houston Astros, dies - Los Angeles Times

Houston Astros - Wikipedia