Palm-Up/Palm-Down med ball throws are great for teaching hitters how to side-bend with their torso during the swing phase. | By Driveline Baseball | Facebook
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Inside the high-tech hitting lab where Austin Riley and other MLB stars test their bats - The Athletic
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Baseball Sized Medicine Ball, Solid Unbreakable Med Ball for Repetitive Throwing, Accuracy, Speed and Agility Training for Baseball and Softball - Si-Boards.com
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