J.R. Richard collapses from a stroke while working out at the Astrodome - This Day In Baseball
J.R. Richard's message as captivating as the fastball of his Astros days
Remembering J.R. Richard - The Crawfish Boxes
J.R. Richard Tribute
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J.R. Richard, power pitcher for 1970s Houston Astros, dies - Los Angeles Times
CardCorner: 1981 Topps J.R. Richard
J. R. Richard - Wikipedia
The Saga of J.R. Richard's Debut: Blowing Away 15 Sticks at Candlestick – Society for American Baseball Research
Big Days in Astros History - April 25, 1980 - J.R. Richard wins 100th game as Astro
Obituary: J.R. Richard (1950-2021) – RIP Baseball
1980 Topps Baseball: #50 J.R. Richard
J.R. Richard Details Stroke That Ended MLB Career When He Was Dominating
J.R. Richard dies