Prep Baseball Report

Northern Wisconsin Open: Pitching Data Dive


Kevin Cronin
Tech Analyst, Area Scout

On Oct. 21, PBR Wisconsin hosted one of its last open showcases of 2023: The Northern Wisconsin Open. Perennially, this showcase helps introduce our staff to new need-to-know players in the state that we’d not yet seen before, as well as provided us with updated looks at players who’ve earned our attention in the past.

For a closer look at the showcase details and the technologies we'll have on-site to assist our in-person evaluation for all in attendance, click here. For a complete look at those registered to attend this event, view the most up-to-date version of the roster by clicking here.

Wednesday, we took a closer look at some of the immediate standouts who caught our attention with our Quick Hits. Yesterday, we published our Statistical Analysis, where we broke down the stat leaders from the more traditional categories. Now, we will take a further in-depth look at the top pitchers with the help of our tech partnerships, broken down by the categories down below:

TRACKMAN

FASTBALL

VELOCITY (MAX)

Rank Name State School Class Pos Velocity (max)
1 Ethan Oatman WI Mosinee 2025 RHP 86.9 mph
2 Isaac Crosby WI Shell Lake 2025 RHP 86.4 mph
3 Nolan Meis WI Lakeside Lutheran 2025 SS 84.6 mph
4 Riker Blahnik WI Appleton West 2025 LHP 83.5 mph
5 Jacob Coopman WI Menasha 2026 LHP 82.3 mph

Max Fastball Velocity: This metric calculates the speed of the pitch as it’s released from the pitcher’s hand.

SPIN RATE (AVG.)

Rank Name State School Class Pos Spin Rate (avg)
1 Isaac Crosby WI Shell Lake 2025 RHP 2275 rpm
2 Ethan Oatman WI Mosinee 2025 RHP 2254 rpm
3 Blake Bugher WI Eau Claire Memorial 2025 SS 2184 rpm
4 Logan Haupt WI MANITOWOC LUTHERAN HIGH SCHOOL 2026 SS 2138 rpm
5 Shaefer Peterson WI Kimberly 2026 1B 2120 rpm

Spin Rate: This metric calculates the rate of spin on the baseball as it leaves the pitcher’s hand, measured in revolutions per minute (rpm). Historical data shows that high-spin fastballs lessen the impact of gravity, allowing for more ‘rise’ (or less fall, in other words) as it carries through the zone. Low-spin fastballs typically indicate the pitch has greater horizontal action, often making it tougher to square up, but generally easier to make contact with, leading to more ground balls, while high-spin fastballs show a correlation with swings and misses.

INDUCED VERTICAL BREAK (AVG.)

Rank Name State School Class Pos IVB (avg)
1 Aidan Birling WI St Mary Catholic 2024 OF 20.1 in
2 Blake Bugher WI Eau Claire Memorial 2025 SS 18.9 in
3 Jacob Hurtgen WI Watertown 2025 LHP 18.4 in
4 Urijah Doering WI Green Bay Preble 2027 SS 17.7 in
5 Isaac Crosby WI Shell Lake 2025 RHP 17.6 in
6 Oliver Dugas WI Madison East 2025 SS 16.6 in
7 Brady Perrizo WI Preble 2027 C 15.9 in
8 Steven Kable WI New London 2025 OF 13.9 in
9 Gavin Brady WI Bayport 2025 3B 13.8 in
10 Jacob Coopman WI Menasha 2026 LHP 10.8 in

Induced Vertical Break: Used in short form as "IVB," this metric is most important on fastballs for creating rise and on curveballs for creating depth – it can also have some use when measuring sliders and cutters as well. Sliders tend to be closer to zero inches while cutters are generally between 5 and 15 inches. Usually fastballs and curveballs with large IVB have higher spin efficiencies as well. Sliders generally have very little (closer to zero) IVB and very low spin efficiency. You could also categorize IVB into spin rate as this is part of the “useful movement” you’re looking for. IVB is also a huge part of the vertical approach angle.

HORIZONTAL MOVEMENT (AVG.)

Rank Name State School Class Pos HM (avg)
1 Ethan Oatman WI Mosinee 2025 RHP 16.8
2 Carson Leist WI Algoma 2025 RHP 16.7
3 Nolan Meis WI Lakeside Lutheran 2025 SS 15.8
4 Henry Koopmeiners WI Waukesha North 2027 RHP 14.8
5 Blake Bugher WI Eau Claire Memorial 2025 SS 13.2

Horizontal Break: Outlined on TrackMan’s own website: “... horizontal movement is measured in inches between where the pitch actually crosses the front of home plate side-wise, and where it would have crossed home plate side-wise if had it traveled in a perfectly straight line from release. A positive number means the break was to the right from the pitcher’s perspective, while a negative number means the break was to the left from the pitcher’s perspective.”

STRIKE ZONE RATE%

Rank Name State School Class Pos Zone %
1 Nolan Meis WI Lakeside Lutheran 2025 SS 57 %
2 Oliver Dugas WI Madison East 2025 SS 50 %
^ Brady Perrizo WI Preble 2027 C 50 %
^ Isaac Crosby WI Shell Lake 2025 RHP 50 %

Average MLB pitchers throw 62% strikes, and better pitchers throw strikes 65% of the time, or roughly 2:1 strikes to balls.


CURVEBALL

SPIN RATE (AVG.)

Rank Name State School Class Pos Spin Rate (avg)
1 Logan Haupt WI MANITOWOC LUTHERAN HIGH SCHOOL 2026 SS 2434 rpm
2 Steven Kable WI New London 2025 OF 2317 rpm
3 Isaac Crosby WI Shell Lake 2025 RHP 2194 rpm
4 Carson Leist WI Algoma 2025 RHP 2169 rpm
5 Blake Bugher WI Eau Claire Memorial 2025 SS 2094 rpm

INDUCED VERTICAL BREAK (AVG.)

Rank Name State School Class Pos IVB (avg)
1 Logan Haupt WI MANITOWOC LUTHERAN HIGH SCHOOL 2026 SS -11.1 in
2 Steven Kable WI New London 2025 OF -8.7 in
3 Aidan Birling WI St Mary Catholic 2024 OF -8.5 in

HORIZONTAL MOVEMENT (AVG.)

Rank Name State School Class Pos HM (avg)
1 Aidan Birling WI St Mary Catholic 2024 OF 16.3
2 Logan Haupt WI MANITOWOC LUTHERAN HIGH SCHOOL 2026 SS -15.1
3 Urijah Doering WI Green Bay Preble 2027 SS -10.4
4 Jacob Coopman WI Menasha 2026 LHP 9.6
5 Blake Bugher WI Eau Claire Memorial 2025 SS -8.0

STRIKE ZONE RATE%

Rank Name State School Class Pos Zone %
1 Oliver Dugas WI Madison East 2025 SS 80 %
2 Gavin Brady WI Bayport 2025 3B 60 %
^ Isaac Crosby WI Shell Lake 2025 RHP 60 %
3 Blake Bugher WI Eau Claire Memorial 2025 SS 50 %


SLIDER

SPIN RATE (AVG.)

Rank Name State School Class Pos Spin Rate (avg)
1 Ethan Oatman WI Mosinee 2025 RHP 2478
2 Logan Haupt WI MANITOWOC LUTHERAN HIGH SCHOOL 2026 SS 2404
3 Nolan Meis WI Lakeside Lutheran 2025 SS 2348
4 Riker Blahnik WI Appleton West 2025 LHP 2240
5 Shaefer Peterson WI Kimberly 2026 1B 2153

INDUCED VERTICAL BREAK (AVG.)

Rank Name State School Class Pos IVB (avg)
1 Riker Blahnik WI Appleton West 2025 LHP -7.8 in
2 Brady Perrizo WI Preble 2027 C -7.5 in
3 Ethan Oatman WI Mosinee 2025 RHP -6.3 in
4 Henry Koopmeiners WI Waukesha North 2027 RHP 6.2 in
5 Jacob Coopman WI Menasha 2026 LHP 4.7 in

HORIZONTAL MOVEMENT (AVG.)

Rank Name State School Class Pos HM (avg)
1 Riker Blahnik WI Appleton West 2025 LHP 16.0
2 Nolan Meis WI Lakeside Lutheran 2025 SS -15.2
3 Ethan Oatman WI Mosinee 2025 RHP -12.0
4 Braeden Hermes WI Kimberly 2027 LHP 10.9
5 Logan Haupt WI MANITOWOC LUTHERAN HIGH SCHOOL 2026 SS -10.4

STRIKE ZONE RATE%

Rank Name State School Class Pos Zone %
1 Braeden Hermes WI Kimberly 2027 LHP 75 %
2 Ethan Oatman WI Mosinee 2025 RHP 60 %


CHANGEUP

HORIZONTAL MOVEMENT (AVG.)

Rank Name State School Class Pos HM (avg)
1 Riker Blahnik WI Appleton West 2025 LHP -15.1
2 Aidan Birling WI St Mary Catholic 2024 OF -14.4
3 Jacob Hurtgen WI Watertown 2025 LHP -13.3
4 Blake Bugher WI Eau Claire Memorial 2025 SS 13.1
5 Shaefer Peterson WI Kimberly 2026 1B -12.4

STRIKE ZONE RATE%

Rank Name State School Class Pos Spin Score (max)
1 Logan Haupt WI MANITOWOC LUTHERAN HIGH SCHOOL 2026 SS 32
2 Shaefer Peterson WI Kimberly 2026 1B 29
3 Steven Kable WI New London 2025 OF 29

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

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