Prep Baseball Report

Underclass Showcase: Pitching Data Dive


Kevin Cronin
Tech Analyst, Area Scout

On Sunday, October 15th, the PBR Illinois staff traveled to The MAX in McCook, IL, to host the annual Underclass Showcase, an event for 2026 and 2027 prospects that concluded our fall calendar.

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 Tyler Townsend IL Sycamore 2026 RHP 86.7 mph
2 Sebastian Wilson IL Lane Tech 2027 OF 86.5 mph
3 Luke Blackwell IL Valmeyer 2026 RHP 86.1 mph
4 Jack Gianikos IL Maine South 2026 RHP 84.3 mph
5 Colin Chung IL Lake Zurich 2026 SS 82.2 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 James Feigleson IL St Charles East 2026 SS 2111 rpm
2 Josh Rudnick IL Huntley 2026 RHP 2111 rpm
3 Samuel Chin IL St. Laurence 2026 LHP 2086 rpm
4 Jack Gianikos IL Maine South 2026 RHP 2063 rpm
5 Colin Chung IL Lake Zurich 2026 SS 2060 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 Samuel Chin IL St. Laurence 2026 LHP 18.7 in
2 Jeremiah Henry IL Simeon 2026 3B 18.0 in
3 Jack Gianikos IL Maine South 2026 RHP 17.6 in
4 Alexander Aridas IL Maine South 2027 RHP 16.7 in
5 Brett Tucker IL Lemont 2026 SS 15.9 in
6 Sebastian Wilson IL Lane Tech 2027 OF 15.6 in
7 Sammy Engle IL Highland Park 2027 3B 15.6 in
8 Luke Blackwell IL Valmeyer 2026 RHP 15.2 in
^ Frankie Pavlik IL Yorkville 2026 SS 15.2 in
9 Max Judge IL Hinsdale Central 2027 SS 14.7 in
10 Josh Rudnick IL Huntley 2026 RHP 14.6 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 Charlie Caroselli IL Providence Catholic 2027 RHP 15.4
2 Elliot Paul IL Evanston Township 2027 OF 15.3
3 Gabe Sanders IL Yorkville 2026 LHP -14.9
4 Samuel Chin IL St. Laurence 2026 LHP -14.5
5 James Feigleson IL St Charles East 2026 SS 14.0
6 Colin Chung IL Lake Zurich 2026 SS 13.4
7 Frankie Pavlik IL Yorkville 2026 SS 13.1
8 Tyler Townsend IL Sycamore 2026 RHP 12.9
9 Evan Voss IL Downers Grove South 2026 LHP -12.9
10 Max Judge IL Hinsdale Central 2027 SS 12.8

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 Brett Tucker IL Lemont 2026 SS 83 %
^ Sammy Engle IL Highland Park 2027 3B 83 %
2 Jack Gianikos IL Maine South 2026 RHP 80 %
3 Jeremiah Henry IL Simeon 2026 3B 71 %
^ Luke Blackwell IL Valmeyer 2026 RHP 71 %
4 Elliot Paul IL Evanston Township 2027 OF 66 %
^ Tyler Townsend IL Sycamore 2026 RHP 66 %
5 Sebastian Wilson IL Lane Tech 2027 OF 57 %

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 Tyler Townsend IL Sycamore 2026 RHP 2513 rpm
2 Colin Chung IL Lake Zurich 2026 SS 2500 rpm
3 Samuel Chin IL St. Laurence 2026 LHP 2349 rpm
4 Jack Gianikos IL Maine South 2026 RHP 2267 rpm
5 James Feigleson IL St Charles East 2026 SS 2142 rpm

INDUCED VERTICAL BREAK (AVG.)

Rank Name State School Class Pos IVB (avg)
1 Colin Chung IL Lake Zurich 2026 SS -13.7 in
2 Charlie Caroselli IL Providence Catholic 2027 RHP -11.3 in
3 Jeremiah Henry IL Simeon 2026 3B 9.5 in
4 Tyler Townsend IL Sycamore 2026 RHP -8.9 in
5 Jack Gianikos IL Maine South 2026 RHP -8.6 in

HORIZONTAL MOVEMENT (AVG.)

Rank Name State School Class Pos HM (avg)
1 Jack Gianikos IL Maine South 2026 RHP -18.4
2 James Feigleson IL St Charles East 2026 SS -16.3
3 Tyler Townsend IL Sycamore 2026 RHP -16.2
4 Frankie Pavlik IL Yorkville 2026 SS -15.7
5 Colin Chung IL Lake Zurich 2026 SS -15.1

STRIKE ZONE RATE%

Rank Name State School Class Pos Zone %
1 Tim Flanagan IL St. Patrick 2026 C 100 %
2 Tyler Townsend IL Sycamore 2026 RHP 60 %
^ Evan Voss IL Downers Grove South 2026 LHP 60 %
^ Gabe Sanders IL Yorkville 2026 LHP 60 %
^ Brett Tucker IL Lemont 2026 SS 60 %


SLIDER

SPIN RATE (AVG.)

Rank Name State School Class Pos Spin Rate (avg)
1 Jack Gianikos IL Maine South 2026 RHP 2298
2 Samuel Chin IL St. Laurence 2026 LHP 2078
3 Josh Rudnick IL Huntley 2026 RHP 2052
4 Charlie Caroselli IL Providence Catholic 2027 RHP 2037
5 Connor Brockway IL Vernon Hills 2026 RHP 2017

INDUCED VERTICAL BREAK (AVG.)

Rank Name State School Class Pos IVB (avg)
1 Charlie Caroselli IL Providence Catholic 2027 RHP -7.9 in
2 Elliot Paul IL Evanston Township 2027 OF 5.4 in
3 Sebastian Wilson IL Lane Tech 2027 OF -4.4 in

HORIZONTAL MOVEMENT (AVG.)

Rank Name State School Class Pos HM (avg)
1 Jack Gianikos IL Maine South 2026 RHP -19.8
2 Charlie Caroselli IL Providence Catholic 2027 RHP -16.1
3 Maddox Miller IL Cumberland 2027 SS -13.0
4 Sebastian Wilson IL Lane Tech 2027 OF -12.9
5 Elliot Paul IL Evanston Township 2027 OF -12.2

STRIKE ZONE RATE%

Rank Name State School Class Pos Zone %
1 Josh Rudnick IL Huntley 2026 RHP 80 %
^ Connor Brockway IL Vernon Hills 2026 RHP 80 %
2 Luke Blackwell IL Valmeyer 2026 RHP 66 %
3 Charlie Caroselli IL Providence Catholic 2027 RHP 60 %
^ Alexander Aridas IL Maine South 2027 RHP 60 %


CHANGEUP

HORIZONTAL MOVEMENT (AVG.)

Rank Name State School Class Pos HM (avg)
1 Elliot Paul IL Evanston Township 2027 OF 19.8
2 Samuel Chin IL St. Laurence 2026 LHP -18.6
3 Colin Chung IL Lake Zurich 2026 SS 16.3
4 James Feigleson IL St Charles East 2026 SS 16.0
5 Frankie Pavlik IL Yorkville 2026 SS 14.4
6 Brett Tucker IL Lemont 2026 SS 13.9
7 Luke Blackwell IL Valmeyer 2026 RHP 13.5
8 Jack Gianikos IL Maine South 2026 RHP 13.5
9 Charlie Caroselli IL Providence Catholic 2027 RHP 13.3
10 Alexander Aridas IL Maine South 2027 RHP 13.2

STRIKE ZONE RATE%

Rank Name State School Class Pos Spin Score (max)
1 Maddox Miller IL Cumberland 2027 SS 28
2 Sammy Engle IL Highland Park 2027 3B 27
3 Josh Rudnick IL Huntley 2026 RHP 27

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

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