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On Sunday, January 11th, the Prep Baseball California team hosted the Los Angeles Preseason ID at Buena High School in Ventura, Cal. This was an open event for high school classes (2026-2029), and gave our staff an ample look at the area's top prospects. As well, due to weather in the Southern California region the previous weekend several players from the previously scheduled Los Angeles Preseason All State were in attendance for this event.

The combination of the two events brought nearly 80 players out to Ventura where they participated in a pro-style workout. Position players were run through athletic testing, defensive evaluations and a batting practice session. During this even the VALD system was in use for the athletic testing, all defensive evaluations included arm strength measurements (pop times for catchers) and during batting practice the Trackman system and Blast Motion sensors were used to gather valuable data on their offensive performances. The day completed with bullpen sessions for all two-way players and pitcher only attendees where they threw on the main mound with Trackman system running to gather their pitching metrics.

Today, we will be looking at the top data performers from some of the deeper dive metrics collected at the event, found below.

TRACKMAN

We'll continue to roll out the data we gathered from this event, starting with the analytics we have at our disposal from our TrackMan units. Below we'll look at which players had noteworthy batted ball and pitch data.

EXIT VELOCITY (MAX)

EXIT VELOCITY (AVERAGE)

Exit Velocity: This metric measures the speed of the ball, measured in miles per hour, as it comes off the bat at the moment of contact.

Batted Ball (MAX)

Hard Hit %

Sweet Spot %

Sweet Spot percentage: This metric is determined by how often the player produces a batted ball during the session with a launch angle between 8 to 32 degrees.

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BLAST

With the help of our Blast Motion sensors, we're analyzing the swing metrics measured at this open showcase.

HAND SPEED (AVERAGE)

Hand Speed: The observed speed as measured on the handle of the bat (measured six inches from the knob of the bat). Peak Hand Speed will occur prior to the moment of impact, very close to the commit time in the swing when the wrists unhinge.

BAT SPEED (AVERAGE)

Bat Speed: The observed speed of the sweet spot of the bat at impact. The sweet spot of the bat is measured six inches from the tip of the bat.

ROTATIONAL ACCELERATION (AVERAGE)

Body Rotation: A swing that has the appropriate relative contributions of body and bat rotations is an efficient and Powerful swing that maintains proper sequencing. An efficient baseball swing is one in which the body creates the initial movements, which is then transferred to the arms and out to the bat, thereby maximizing Bat Speed through this proximal-to-distal kinematic sequencing movement pattern.

ON-PLANE EFFICIENCY %

On-Plane Efficiency %: measures the percentage of your swing where the bat is on the swing plane. Your Vertical Bat Angle (VBA) at contact establishes the plane for that specific swing. A high % is a great indicator of making consistent contact and barreling balls. Blast recommends an average of 70% or higher, with a range in the 65% to 85%.

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+ CLICK HERE for a look at the complete statistics from the event.

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