Does anybody think that Sandy Koufax had the best five year peak

Sandy Koufax: He Didn't Pitch the Longest but He May Have Pitched the Best - Jugs Sports

TSN Archives: Sandy Koufax Spins Strikeout Tale (Oct. 19, 1963)

TIL Sandy Koufax won the Cy Young award in his final year of his career. He is the only player to accomplish this. : r/baseball

Does anybody think that Sandy Koufax had the best five year peak of any pitcher in the live ball era (since 1920)? - Quora

Sandy Koufax's best stats and accomplishments

Today's MLB Pitchers really aren't weenies, by Mark Kolier

Tommy Davis, Batting Star With the '60s Dodgers, Dies at 83 - The New York Times

Just how good is Jacob deGrom's peak? Elite even among the elite - The Athletic

You Never Heard Of Sandy Koufax?! - National Ballpark Museum