What they have to learn, what the great hitter Sadaharu Oh himself learned in a series of complicated batting exercises designed by his Zen master and hitting coach, Hiroshi Arakawa, was the power of waiting, the power of precision, the power of the void. Because that’s what makes for a real pro. A truly great hitter—not just a swinger—needs quick hands and powerful hips, to be sure, but they must also possess the power of wu wei, or nonaction.

