Paul Waner — American Athlete born on April 16, 1903, died on August 29, 1965

Paul Glee Waner, nicknamed "Big Poison", was an American professional baseball right fielder. He played for the Pittsburgh Pirates, Brooklyn Dodgers, Boston Braves, and New York Yankees of Major League Baseball from 1926 to 1945. He won three National League batting titles and the NL Most Valuable Player Award while with the Pirates. He was elected into the Baseball Hall of Fame in 1952... (wikipedia)

Let the pitcher move first, then, as he draws his arm back, you draw the bat back and you are ready.
If a pitcher sees you fiddling with the bat, he'll stall until your arms are tired before you even get a chance to hit.