Jack Barry (@johnb_sp) 's Twitter Profile
Jack Barry

@johnb_sp

JB Performance / I Build Elite Pitchers / FREE MECHANICAL ANALYSIS ⬇️

ID: 907431892491935748

linkhttps://hoo.be/johnb_sp calendar_today12-09-2017 02:33:17

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Jack Barry
@johnb_sp

3 months ago

Arm first, then gloveside. A lot of early torso rotation cases can be solved by anchoring the gloveside into a closed position. Then, when the lead leg lands that same arm pulls the trigger for the upper half. Delay firing the gun, increase Velo and ease of cheese.