Sandy Koufax responded to a higher calling on Yom Kippur in 1965
When Sandy Koufax Refused to Play on Yom Kippur
50 Years since Sandy turned Dandy with Yom Kippur decision
Koufax's Yom Kippur Decision, 50 Years Later - Tablet Magazine
When They Were Kings: Greenberg and Koufax Sit on Yom Kippur - Tablet Magazine
The Koufax moment New Jersey Jewish News
50 years ago, Koufax proud: When America's #1 southpaw sacrificed a World Series opener to honor Yom Kippur, The Jewish Star
Sandy Koufax's best stats and accomplishments
Sandy Koufax's best stats and accomplishments
1965 World Series: Sandy Koufax's visit to St. Paul synagogue a matter of faith – Twin Cities
The Left Arm of God: Sandy Koufax was pitcher perfect on and off the field - Sports Illustrated