Prep Baseball Report

Southern Wisconsin Open: Pitching Data Dive


Kevin Cronin
Tech Analyst, Area Scout

On Oct. 14, PBR Wisconsin hosted one of its last open showcases of 2023: The Southern 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. Earlier today, 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 Andrew Ishag WI Kettle Moraine 2025 LHP 86.6 mph
2 William Baumhardt WI Slinger 2025 RHP 85.6 mph
3 Eli Dreier WI Wisconsin Lutheran 2027 SS 85.5 mph
4 Graiden Liethen WI Arrowhead 2025 RHP 84.5 mph
5 Noah Schaller WI Monona Grove 2025 RHP 82.2 mph
6 Brett Rybarczyk WI Sheboygan North 2026 LHP 81.0 mph
7 Ty Cieslewicz WI Menomonee Falls 2024 SS 80.8 mph
8 Ben Jones WI Mukwonago 2026 RHP 80.7 mph
9 Jack Schilling WI Waukesha North 2025 OF 80.0 mph
10 Jack Stuck WI Nicolet 2025 2B 78.9 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 Brett Rybarczyk WI Sheboygan North 2026 LHP 2556 rpm
2 William Baumhardt WI Slinger 2025 RHP 2175 rpm
3 Ty Cieslewicz WI Menomonee Falls 2024 SS 2145 rpm
4 Eli Dreier WI Wisconsin Lutheran 2027 SS 2092 rpm
5 Noah Schaller WI Monona Grove 2025 RHP 2075 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 Jack Towne WI Columbus 2026 OF 21.4 in
2 Ben Jones WI Mukwonago 2026 RHP 19.6 in
3 Noah Schaller WI Monona Grove 2025 RHP 18.7 in
4 TJ Allemand WI Wayland Academy 2026 LHP 18.5 in
5 Eli Dreier WI Wisconsin Lutheran 2027 SS 17.6 in
6 Jack Stuck WI Nicolet 2025 2B 17.2 in
7 Graiden Liethen WI Arrowhead 2025 RHP 16.9 in
8 Carter Tuerk WI Arrowhead 2027 RHP 15.3 in
9 Ty Cieslewicz WI Menomonee Falls 2024 SS 14.2 in
10 Jack Schilling WI Waukesha North 2025 OF 13.3 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 William Baumhardt WI Slinger 2025 RHP 14.8
2 Jack Schilling WI Waukesha North 2025 OF 13.0
3 TJ Allemand WI Wayland Academy 2026 LHP -12.9
4 Jack Towne WI Columbus 2026 OF 12.0
5 Graiden Liethen WI Arrowhead 2025 RHP 11.7

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 Jack Stuck WI Nicolet 2025 2B 85 %
2 Christopher McMahon WI Tremper 2024 OF 66 %
3 Carter Tuerk WI Arrowhead 2027 RHP 50 %
^ Jack Schilling WI Waukesha North 2025 OF 50 %
^ TJ Allemand WI Wayland Academy 2026 LHP 50 %
^ Ben Jones WI Mukwonago 2026 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 Brett Rybarczyk WI Sheboygan North 2026 LHP 2309 rpm
2 Andrew Ishag WI Kettle Moraine 2025 LHP 2214 rpm
3 William Baumhardt WI Slinger 2025 RHP 2169 rpm
4 Ty Cieslewicz WI Menomonee Falls 2024 SS 2144 rpm
5 Eli Dreier WI Wisconsin Lutheran 2027 SS 2143 rpm

INDUCED VERTICAL BREAK (AVG.)

Rank Name State School Class Pos IVB (avg)
1 Carter Tuerk WI Arrowhead 2027 RHP -11.4 in
2 Brett Rybarczyk WI Sheboygan North 2026 LHP -10.8 in
3 Eli Dreier WI Wisconsin Lutheran 2027 SS -10.2 in
4 Ty Cieslewicz WI Menomonee Falls 2024 SS -10.0 in
5 Jack Stuck WI Nicolet 2025 2B 7.3 in

HORIZONTAL MOVEMENT (AVG.)

Rank Name State School Class Pos HM (avg)
1 William Baumhardt WI Slinger 2025 RHP -18.8
2 Eli Dreier WI Wisconsin Lutheran 2027 SS -15.3
3 Jack Towne WI Columbus 2026 OF -14.5
4 Graiden Liethen WI Arrowhead 2025 RHP -13.0
5 Brett Rybarczyk WI Sheboygan North 2026 LHP 11.8

STRIKE ZONE RATE%

Rank Name State School Class Pos Zone %
1 Andrew Ishag WI Kettle Moraine 2025 LHP 75 %
^ Jack Schilling WI Waukesha North 2025 OF 75 %
2 Jack Stuck WI Nicolet 2025 2B 66 %
3 TJ Allemand WI Wayland Academy 2026 LHP 60 %
^ Ty Cieslewicz WI Menomonee Falls 2024 SS 60 %


SLIDER

SPIN RATE (AVG.)

Rank Name State School Class Pos Spin Rate (avg)
1 Ty Cieslewicz WI Menomonee Falls 2024 SS 2582
2 Brett Rybarczyk WI Sheboygan North 2026 LHP 2471
3 Graiden Liethen WI Arrowhead 2025 RHP 2107

INDUCED VERTICAL BREAK (AVG.)

Rank Name State School Class Pos IVB (avg)
1 Ben Jones WI Mukwonago 2026 RHP 13.0 in
2 Brett Rybarczyk WI Sheboygan North 2026 LHP -9.6 in
3 Eli Dreier WI Wisconsin Lutheran 2027 SS -4.3 in

HORIZONTAL MOVEMENT (AVG.)

Rank Name State School Class Pos HM (avg)
1 Brett Rybarczyk WI Sheboygan North 2026 LHP 14.7
2 Eli Dreier WI Wisconsin Lutheran 2027 SS -11.7
3 Graiden Liethen WI Arrowhead 2025 RHP -11.2

STRIKE ZONE RATE%

Rank Name State School Class Pos Zone %
1 Ben Jones WI Mukwonago 2026 RHP 40 %
^ Ty Cieslewicz WI Menomonee Falls 2024 SS 40 %
2 Eli Dreier WI Wisconsin Lutheran 2027 SS 33 %


CHANGEUP

HORIZONTAL MOVEMENT (AVG.)

Rank Name State School Class Pos HM (avg)
1 Jack Towne WI Columbus 2026 OF 17.8
2 Jack Stuck WI Nicolet 2025 2B 16.7
3 Graiden Liethen WI Arrowhead 2025 RHP 14.9
4 TJ Allemand WI Wayland Academy 2026 LHP -13.7
5 Brett Rybarczyk WI Sheboygan North 2026 LHP -12.1

STRIKE ZONE RATE%

Rank Name State School Class Pos Zone %
1 Jack Stuck WI Nicolet 2025 2B 60 %
^ Jack Towne WI Columbus 2026 OF 60 %
2 TJ Allemand WI Wayland Academy 2026 LHP 50 %
^ Brett Rybarczyk WI Sheboygan North 2026 LHP 50 %
^ Ty Cieslewicz WI Menomonee Falls 2024 SS 50 %
^ Andrew Ishag WI Kettle Moraine 2025 LHP 50 %

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

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