I really enjoyed Passan’s thorough perspective on how the pitching arm is the most important commodity in all of sports. The book looks at the crazy culture of youth sports and the detriment it causes for young athletes; the decision- making from GMs to invest millions on top arms; the world of sports science and how arms have been repaired; and the psychology of pitchers overcoming injuring. I really recommend this book for baseball fans that enjoy and insider perspective on the sport. This book is to pitcher’s arm as moneyball was to saber metrics

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