NorCal Rising Stars Showcase: Trackman Pitching Analysis
November 27, 2020
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LATHROP, CALIF. - This summer and fall, Prep Baseball Report events 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 even all pitchers had a chance to throw live while being monitored through our 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 featured 2024/2025 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.
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 | Tatum Marsh | CA | Valley Christian | 2024 | OF | 85.9 mph |
2 | Justin Iglesias | CA | Bishop O'Dowd | 2024 | RHP | 81.1 mph |
3 | Jacob Untalan | CA | Cardinal Newman | 2024 | SS | 78.4 mph |
4 | Tommy Goodin | CA | Camarillo | 2024 | 1B | 78.0 mph |
5 | Quinten Marsh | CA | Valley Christian | 2025 | OF | 77.4 mph |
6 | Austin Steeves | CA | Casa Grande | 2024 | LHP | 77.1 mph |
7 | Griffin Sutton | CA | Granada | 2025 | RHP | 75.2 mph |
8 | Ryan Jensen | CA | Clovis North | 2024 | OF | 75.0 mph |
9 | spencer korzep | CA | Capistrano Valley | 2025 | LHP | 74.9 mph |
10 | Brendan Moddelmog | CA | Dublin High | 2025 | SS | 74.8 mph |
FASTBALL SPIN
NCAA Averages (RPM): Top 10% - 2372, Top 25% - 2266, Avg. 50% - 2148
Rank | Name | State | School | Class | Pos | Spin Rate (max) |
1 | Tommy Goodin | CA | Camarillo | 2024 | 1B | 2287 rpm |
2 | Tatum Marsh | CA | Valley Christian | 2024 | OF | 2239 rpm |
3 | Brendan Moddelmog | CA | Dublin High | 2025 | SS | 2216 rpm |
4 | spencer korzep | CA | Capistrano Valley | 2025 | LHP | 2198 rpm |
5 | Tyler Kennedy | CA | Granada | 2025 | RHP | 2029 rpm |
6 | Jacob Untalan | CA | Cardinal Newman | 2024 | SS | 2010 rpm |
7 | Quinten Marsh | CA | Valley Christian | 2025 | OF | 2006 rpm |
8 | Henry Bei | CA | Menlo-Atherton | 2023 | OF | 1973 rpm |
9 | Justin Sechler | CA | Serra | 2024 | 1B | 1931 rpm |
10 | Austin Steeves | CA | Casa Grande | 2024 | LHP | 1882 rpm |
SLIDER SPIN
NCAA Averages (RPM): Top 10% - 2973, Top 25% - 2490, Avg. 50% - 2304
Rank | Name | State | School | Class | Pos | Spin Rate (max) |
1 | Griffin Sutton | CA | Granada | 2025 | RHP | 1769 rpm |
2 | Justin Iglesias | CA | Bishop O'Dowd | 2024 | RHP | 1645 rpm |
3 | Tatum Marsh | CA | Valley Christian | 2024 | OF | 1615 rpm |
4 | Quinten Marsh | CA | Valley Christian | 2025 | OF | 1611 rpm |
CURVEBALL SPIN
NCAA Averages (RPM): Top 10% - 2730, Top 25% - 2539, Avg. 50% - 2339
Rank | Name | State | School | Class | Pos | Spin Rate (max) |
1 | Brendan Moddelmog | CA | Dublin High | 2025 | SS | 2293 rpm |
2 | spencer korzep | CA | Capistrano Valley | 2025 | LHP | 2291 rpm |
3 | Austin Steeves | CA | Casa Grande | 2024 | LHP | 2197 rpm |
4 | Alexander Masci | CA | St. Francis | 2023 | 3B | 2164 rpm |
5 | Ryan Schnell | CA | Menlo School | 2024 | RHP | 2104 rpm |
6 | Henry Bei | CA | Menlo-Atherton | 2023 | OF | 2041 rpm |
7 | Tommy Goodin | CA | Camarillo | 2024 | 1B | 1982 rpm |
8 | Ryan Jensen | CA | Clovis North | 2024 | OF | 1926 rpm |
9 | Dylan Babcock | CA | Woodside | 2024 | RHP | 1883 rpm |
10 | Tyler Kennedy | CA | Granada | 2025 | RHP | 1869 rpm |
CHANGEUP SPIN
NCAA Averages (RPM): Top 10% - 2024, Top 25% - 1867, Avg. 50% - 1688
Rank | Name | State | School | Class | Pos | Spin Rate (max) |
1 | spencer korzep | CA | Capistrano Valley | 2025 | LHP | 1807 rpm |
2 | Tommy Goodin | CA | Camarillo | 2024 | 1B | 1753 rpm |
3 | Tatum Marsh | CA | Valley Christian | 2024 | OF | 1715 rpm |
4 | Lucca Sanguinetti | CA | Archbishop Mitty | 2024 | 3B | 1695 rpm |
5 | Quinten Marsh | CA | Valley Christian | 2025 | OF | 1686 rpm |
6 | Ryan Jensen | CA | Clovis North | 2024 | OF | 1648 rpm |
7 | Henry Bei | CA | Menlo-Atherton | 2023 | OF | 1607 rpm |
8 | Justin Iglesias | CA | Bishop O'Dowd | 2024 | RHP | 1587 rpm |
9 | Alexander Masci | CA | St. Francis | 2023 | 3B | 1563 rpm |
10 | Dylan Babcock | CA | Woodside | 2024 | RHP | 1487 rpm |
11 | Griffin Sutton | CA | Granada | 2025 | RHP | 1483 rpm |
12 | Tyler Kennedy | CA | Granada | 2025 | RHP | 1471 rpm |
13 | Austin Steeves | CA | Casa Grande | 2024 | LHP | 1459 rpm |
14 | Ryan Schnell | CA | Menlo School | 2024 | RHP | 1313 rpm |
15 | Daniel Solis | CA | Valley Christian | 2025 | RHP | 1250 rpm |
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