Question: What former American Major League Baseball (MLB) left-handed pitcher was the focus of a best-selling 2005 biography, written by Jane Leavy, an award-winning American former sportswriter and feature writer for the Washington Post?
Sentence (from "Sandy Koufax"): Sanford Koufax ( ; born Sanford Braun; December 30, 1935) is a former American Major League Baseball (MLB) left-handed pitcher.
Relevant evidence: Yes