Today I want to breakdown what I recently discovered by throwing a few bullpens utilizing rapsodo and a diamond kinetics ball in regards to velocity and spin rate/spin axis. If you want to view the entire bullpen click HEREThis video that you will see below is highlighting the different fastball grips and the data we saw from the specific grips being used.

I outlined all my findings from this in my Updated Pitch Grip Analysis eBookIf you have already purchased this ebook be sure to Contact Me and request the updated version at no cost. Just be sure that you include your order number from the purchase.

If you’re interested in purchasing a Diamond Kinetics Ball be sure to use Discount Code – “ROBBY10” at checkout!









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