What was the best pitching duel in MLB history? - Quora
Warren Spahn, Hall of Fame Pitcher, Was Seasoned by World War II
Let's Remember the Great Lefty, Warren Spahn, born 102 Years Ago Today!
Juan Marichal, Warren Spahn and the greatest game ever pitched
The Greatest Pitching Duel in Human History
The incredible performances of Juan Marichal and Warren Spahn on July 2, 1963, would forever link their names together in baseball history, and this
The Greatest Game Ever Pitched: Juan Marichal, Warren Spahn, and the Pitching Duel of the Century
The Anniversary of One of Greatest Pitching Duels Ever! Spahn vs. Marichal, July 2, 1963
Starting Nine: Revel in a generational moment in Atlanta sports - Battery Power
Jim Kaplan: Nearly half century later, Spahn-Marichal duel still the best ever - Sports Illustrated
Video: Fifty Years Later, Sandy Koufax (and Vin Scully) on One of the Greatest Games Ever Pitched
Box Score of Game played on Tuesday, July 2, 1963 at Candlestick Park
July 2, 1963: Marichal outduels Spahn in 16-inning thriller – Society for American Baseball Research
The Anniversary of One of Greatest Pitching Duels Ever! Spahn vs. Marichal, July 2, 1963
Let's Remember the Great Lefty, Warren Spahn, born 102 Years Ago Today!