This is the third installment in a five-part series examining how swing biomechanics and the proliferation of technological tools are helping hitters. Part 1 explored the history of this field and the origin of a few key devices. Part 2 looked at newly emphasized swing traits and how they’re being applied. Part 3 addresses the mental aspects of hitting and the visual cues that batters must look for while in the box.
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Growing up on Long Island, about 25 miles east of New York City, Eugene Bleecker took 10 years of lessons at a local baseball camp.