Every golfer breathes, of course. But experts in and out of golf say how you breathe can play a vital role in how you perform on the course—from the tempo of your swing to your ability to sink an important putt. In this episode, Sam Weinman examines the underrated difference proper breathing can make for golfers; how breath training has aided elite players like Phil Mickelson and Bryson DeChambeau, and what average players can do to feel an immediate difference.