Sandy Koufax – The Forward
How Sandy Koufax Can Inspire Your Walk With God - The Friends of Israel Gospel Ministry
Why Sandy Koufax's Sitting Out on Yom Kippur Still Matters – The Forward
Sandy Koufax, Yom Kippur and the 1965 World Series - Sports Illustrated
Testing the Koufax Curse: How 18 Jewish Pitchers, 18 Jewish Hitters, and Rod Carew Performed on Yom Kippur – Society for American Baseball Research
When They Were Kings: Greenberg and Koufax Sit on Yom Kippur - Tablet Magazine
Sandy Koufax responded to a higher calling on Yom Kippur in 1965
Is there a 'Koufax Curse' for Jewish baseball players?
Baseball and Yom Kippur: Is there a Koufax curse? – The Forward
Testing the Koufax Curse: How 18 Jewish Pitchers, 18 Jewish Hitters, and Rod Carew Performed on Yom Kippur – Society for American Baseball Research
The MLB has more Jewish players than ever — but none of them will face a Yom Kippur dilemma this year - Jewish Telegraphic Agency
Why Sandy Koufax's Refusal to Pitch on Yom Kippur Still Matters - Jewish World
How at least one Jewish baseball player has beaten the Koufax jinx and the Kol Nidre curse – The Forward