About the Book Title: Ninety Percent Mental Author: Bob Tewksbury Length: 256 pages (paperback) Publisher: Hachette Go Copyright Year: 2020 In Ninety Percent Mental, author Bob Tewksbury shares his insights into the mental side of baseball, particularly from a pitcher’s perspective. Tewksbury has a wealth of experience as both an all-star pitcher and, following his athletic […]
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