The Way of Baseball Blog

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Here’s an article about Perceived Velocity. The radar gun will give you Absolute Velocity, but Perceived Velocity takes into account distance and time. When pitchers release the ball closer to home plate (depth of release), it cuts down reaction times for hitters to swing so the perceived velocity to the hitter is higher. Carter Capps adds 3.7 mph on average to perceived value with the hop in his motion. 
This data is often overlooked in pitcher’s effectiveness especially with the attention a radar gun reading gets.

Sometimes people forget that velocity is also a factor of distance and not all 95mph fastballs are equal!
I would be very interested to look for correlations in mechanical efficiency relating to this data.
I’m curious to know if pitcher’s health and longevity through a season and a career is connected to depth of release point.
When I coach pitchers, the most efficient deliveries and the safest for the arm also have the deeper release points.
I have to study Capps motion more to see how the jump affects things. I’m sure the extra body speed translates to more arm speed, but 101mph perceived velocity? Wow! Now you’re getting closer to women’s softball reaction times!


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