Prep Baseball Report

California Bulldogs Scout Day: TrackMan Pitching Data


PBR CA Scouting Staff

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SAN JOSE, CA. - This summer and fall, Prep Baseball Report events (including scout days) across the country have been powered by TrackMan’s industry-leading portable system to capture pinpoint accurate, actionable data from player performances. Prep Baseball Report and TrackMan are dedicated to recognizing talent and unleashing their potential.

At the event all pitchers had a chance to throw live while being monitored through the portable Trackman B1 unit. Each player threw their complete arsenal of pitches allowing us to collect metrics such as release velocity, spin rate, vertical & horizontal movement and much more.

This data goes directly into the player profiles allowing the PBR Staff, college coaches and professional scouts alike to evaluate and compare prospects on a national scale.

The event was all California Bulldogs players, with the TrackMan system recording each pitch thrown during their bullpen session and now, we dive into the advanced metrics gathered.

Spin Rate is defined as how fast the ball is spinning as it leaves the pitcher's hand, measured in "Revolutions per Minute or RPM"

Bauer Units = Spin Rate (RPM) / Velocity (MPH)

Driveline Baseball on Bauer Units: Bauer Units are intended to control for velocity when looking at spin rate. The equation was intended to be simple enough for coaches and players to use quickly in practice to compare pitchers to MLB average.

CLICK HERE FOR SORTABLE PLAYER STATISTICS INCLUDING TRACKMAN AND BLAST MOTION DATA

FASTBALL VELOCITY

NCAA Averages: Top 10% - 92.5 mph, Top 25% - 90.8 mph, Avg. 50% - 88.9 mph

Rank Name State School Class Pos Velocity (max)
1 Jake Roseberry CA Bellarmine Prep 2021 OF 82.0 mph
2 Ryan Chan CA St. Francis 2023 RHP 81.4 mph
3 Jason Armer CA Branham 2023 C 79.4 mph
4 Jackson Matulich CA Pioneer 2022 RHP 79.0 mph
5 Kobe Gong CA Westmont 2022 RHP 77.6 mph

PEAK FASTBALL SPIN

NCAA Averages (RPM): Top 10% - 2372, Top 25% - 2266, Avg. 50% - 2148

Rank Name State School Class Pos Spin Rate (max)
1 Grayden Eister CA Pioneer 2023 3B 2289 rpm
2 Sam Butler CA Pioneer 2022 RHP 2210 rpm
3 Ryan Chan CA St. Francis 2023 RHP 2065 rpm
4 Kobe Gong CA Westmont 2022 RHP 2008 rpm
5 Nick Herreria CA Archbishop Mitty 2022 OF 1977 rpm
6 Jalen Winters CA Del Mar 2024 RHP 1942 rpm
7 Jason Armer CA Branham 2023 C 1932 rpm
8 Jackson Matulich CA Pioneer 2022 RHP 1900 rpm
9 Charles Valine CA Pioneer 2023 RHP 1889 rpm
10 Daniel Major CA Pioneer 2022 2B 1852 rpm

PEAK SLIDER SPIN

NCAA Averages (RPM): Top 10% - 2973, Top 25% - 2490, Avg. 50% - 2304

Rank Name State School Class Pos Spin Rate (max)
1 Jake Roseberry CA Bellarmine Prep 2021 OF 2390 rpm
2 Grayden Eister CA Pioneer 2023 3B 2179 rpm
3 Jackson Matulich CA Pioneer 2022 RHP 1913 rpm

PEAK CURVEBALL SPIN

NCAA Averages (RPM): Top 10% - 2730, Top 25% - 2539, Avg. 50% - 2339

Rank Name State School Class Pos Spin Rate (max)
1 Sam Butler CA Pioneer 2022 RHP 2448 rpm
2 Jake Roseberry CA Bellarmine Prep 2021 OF 2226 rpm
3 Nick Herreria CA Archbishop Mitty 2022 OF 2148 rpm
4 Daniel Major CA Pioneer 2022 2B 2030 rpm
5 Jason Armer CA Branham 2023 C 1928 rpm
6 Kobe Gong CA Westmont 2022 RHP 1914 rpm
7 Sean Alexander CA Leigh 2023 OF 1850 rpm

PEAK CHANGEUP SPIN

NCAA Averages (RPM): Top 10% - 2024, Top 25% - 1867, Avg. 50% - 1688

Rank Name State School Class Pos Spin Rate (max)
1 Ryan Chan CA St. Francis 2023 RHP 1920 rpm
2 Sam Butler CA Pioneer 2022 RHP 1844 rpm
3 Jackson Matulich CA Pioneer 2022 RHP 1623 rpm
4 Max Valine CA Pioneer 2023 OF 1575 rpm
5 Sean Alexander CA Leigh 2023 OF 1555 rpm
6 Jonas Primrose CA Willow Glen 2023 OF 1488 rpm
7 Daniel Major CA Pioneer 2022 2B 1455 rpm
8 Jason Armer CA Branham 2023 C 1384 rpm
9 Kobe Gong CA Westmont 2022 RHP 1367 rpm
10 Nick Herreria CA Archbishop Mitty 2022 OF 1311 rpm

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