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PBR California's Underclass Games took place over the weekend with separate events in both Northern and Southern California. We got to see familiar faces and some new ones show out at both events. The Underclass Games is an event designed to identify projectable players in the classes of 2026 and 2027 before they start their spring seasons.

In Northern California, players gathered at Islanders Field in Lathrop for a pro style workout as well as a simulated game. Today we dive into the TrackMan pitching leaderboards.

For all the data and informations on all of the players outside of the leaderboards click here.

Prep Baseball Report events across the country have been powered by TrackMan’s industry-leading Portable system and Blast Sensor technology to capture pinpoint accurate, actionable data from player performances. Prep Baseball Report, TrackMan and Blast are dedicated to recognizing talent and unleashing their potential.

Data collected by TrackMan has become significantly important for high school, Juco and 4-year players. College programs have evolved beyond radar velocity readings, looking deeper into a pitcher's ability to spin and move the ball. In addition to velocity, TrackMan provides pitchers with valuable data points such as spin rate, spin direction, horizontal movement, vertical movement and more. Ultimately providing feedback to college coaches, MLB scouts and the players themselves; to enhance training and also to identify prospects of interest above and beyond simple velocity readings.

At PBR California showcases and events, amateur players now have access to the same technology shared by professionals and are able to see how their pitching arsenal compares with those across the state and the country. The TrackMan Arsenal Analysis will highlight those metrics and explain the benefits behind the numbers. 

[For a complete glossary of terms and definitions, please CLICK HERE]

Max Fastball Velocity

The maximum velocity of the pitch measured right at release.

Max Fastball Spin Rate

The max amount of revolutions per minute (rpm) of a pitch. For fastballs, a higher rpm causes the ball to drop less due to gravity, this gives the illusion of a rising pitch.

Max Curveball Velocity

Like many things in baseball, the faster the better. A fast off-speed pitch while maintaining traditional movement patterns makes the pitch harder to hit. The measured velocity for this metric is right as the pitch leaves the hand.

Max Curveball Spin Rate

The spin rate for a curveball tends to be the highest among all the pitches in a pitcher's arsenal. A higher spin rate, measured in rpms, on a curveball generally means more downward movement when combined with the top spin of the pitch.

Max Slider Velocity

Sliders generally are faster than most other off-speed pitches with less overall movement. This metric measures the speed of the slider when it comes out of the hand.

Max Slider Spin Rate

The higher the spin rate for a horizontal pitch like the slider means that it will have more movement from right to left for a right handed pitcher. This metric measures the maximum spin rate of a pitcher's slider in rpms.

Max Changeup Velocity

This metric determines the speed of a changeup as it is released from the pitcher's hand.

Max Changeup Spin Rate

This metric shows how fast the ball is spinning during the pitch, measured by rpms.

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