7-year-old with 3D-printed hand could soon throw first pitch at every MLB stadium

Turns out, Twitter can be used for the powers of good.
That's sure the case with Hailey Dawson, a 7-year-old with a penchant for tossing fastballs. She was born with a disease called Poland Syndrome, according to reports, and is missing three fingers on her right hand. But thanks to a specially designed, 3D-printed hand controlled by fishing line, she's never let that get in the way of her love for baseball.
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