Prep Baseball Report

MoKan Summer Open: Trackman Curveball Metrics Leaderboard


Scott Hood
OK/MO/KS Assistant Scouting Director

Prep Baseball Report hosted the MoKan Summer Open on June 29th at Mac N Seitz's training facility.   The event was a pro-style workout of 32 players coming from both Missouri and Kansas.  Although the event was smaller in numbers it was not small on talent with multiple players posting some impressive numbers on the day.  You can click on the player's name to access their individual player profile.  Today we take a look at all the leaders in curveball metrics and data collected by Trackman during their bullpen sessions.

The firmest curveball from the event belonged to Tommy Lapour at 77.85 mph with good hand speed and intent on the pitch.  Myles Chapman came in behind him at 73.04 mph with Reid Robinson had the firmest curveball in the 2025 class at 69.82 mph and Cooper Hudson posting the firmest curveball in the 2024 class at 67.43 mph.

Myles Chapman had the highest spin rate on the curveball at an impressive 2350 rpm.  Jackson Rouse led the way on spin rates in the 2022 class at 2242 rpm.  Caden Carter posted the highest spin rate in the 2024 class at 2099 rpm with Milo Burton spinning the curveball at an impressive 2041 rpm in the 2026 class.

Gavin Smith had the highest induced vertical break on the curveball at the event at 17.3 inches of break.  Reid Robinson led the way in the 2025 class at 10.8 inches of break with Collin Dobson posting the most in the 2024 class at 8 inches of break.  Kona Hudson had the highest induced vertical break in the 2022 class at 7.1 inches of vertical break.

The most horizontal break on the curveball from the event belonged to 2026 grad Milo Burton with  16.1 inches of east/west shape.  Kona Hudson came in right behind him at 15.5 inches of horizontal break leading the way in the 2022 class.  Dylan Laughlin had the most east/west action in the 2023 class at 13.2 inches of break with Cooper Hudson posting the most horizontal break in the 2024 class at 12.8 inches.

Full event stats and details can be found by clicking here.

MAX VELO

Rank Name State School Class Pos Velocity (max)
1 Tommy Lapour MO Blue Springs South 2023 RHP 77.8 mph
2 Myles Chapman MO Blue Springs 2023 RHP 73.0 mph
3 Bayler Mobley MO Raymore-Peculiar 2023 2B 70.2 mph
4 Easton Roe MO Pleasant Hill 2023 1B 69.9 mph
5 Reid Robinson MO Rockhurst 2025 OF 69.8 mph
6 Owen Lisk MO Blue Springs 2022 LHP 68.1 mph
7 Jackson Rouse MO Raytown South 2022 RHP 67.8 mph
8 Gavin Smith MO Blue Springs 2023 SS 67.7 mph
9 Cooper Hudson MO William Chrisman 2024 RHP 67.4 mph
10 Ethan Veach MO Platte County 2023 RHP 66.3 mph

VELO RANGE

Rank Name State School Class Pos Velo Range
1 Tommy Lapour MO Blue Springs South 2023 RHP 70.9-77.8 mph
2 Myles Chapman MO Blue Springs 2023 RHP 72.9-73.0 mph
3 Bayler Mobley MO Raymore-Peculiar 2023 2B 66.9-70.2 mph
4 Reid Robinson MO Rockhurst 2025 OF 68.7-69.6 mph
5 Easton Roe MO Pleasant Hill 2023 1B 66.6-68.9 mph
6 Owen Lisk MO Blue Springs 2022 LHP 65.6-68.1 mph
7 Jackson Rouse MO Raytown South 2022 RHP 65.4-67.8 mph
8 Gavin Smith MO Blue Springs 2023 SS 66.2-67.7 mph
9 Cooper Hudson MO William Chrisman 2024 RHP 63.6-67.4 mph
10 Ethan Veach MO Platte County 2023 RHP 64.4-66.3 mph

PEAK SPIN RATES

Rank Name State School Class Pos Spin Rate (max)
1 Myles Chapman MO Blue Springs 2023 RHP 2350 rpm
2 Jackson Rouse MO Raytown South 2022 RHP 2242 rpm
3 Gavin Smith MO Blue Springs 2023 SS 2184 rpm
4 Caden Carter MO Lees Summit West 2024 OF 2099 rpm
5 Bayler Mobley MO Raymore-Peculiar 2023 2B 2076 rpm
6 Collin Dobson MO Blue Springs South 2024 SS 2059 rpm
7 Milo Burton KS Olathe East 2026 RHP 2041 rpm
8 Cooper Hudson MO William Chrisman 2024 RHP 2030 rpm
9 Tommy Lapour MO Blue Springs South 2023 RHP 1996 rpm
10 Easton Roe MO Pleasant Hill 2023 1B 1906 rpm

AVERAGE SPIN RATES

Rank Name State School Class Pos Spin Rate (avg)
1 Myles Chapman MO Blue Springs 2023 RHP 2288 rpm
2 Gavin Smith MO Blue Springs 2023 SS 2141 rpm
3 Caden Carter MO Lees Summit West 2024 OF 2064 rpm
4 Jackson Rouse MO Raytown South 2022 RHP 2058 rpm
5 Bayler Mobley MO Raymore-Peculiar 2023 2B 2042 rpm
6 Collin Dobson MO Blue Springs South 2024 SS 2012 rpm
7 Cooper Hudson MO William Chrisman 2024 RHP 1985 rpm
8 Milo Burton KS Olathe East 2026 RHP 1875 rpm
9 Easton Roe MO Pleasant Hill 2023 1B 1841 rpm
10 Liam Liggett MO Blue Springs 2023 OF 1826 rpm

MAX INDUCED VERTICAL BREAK

Rank Name State School Class Pos IVB (max)
1 Gavin Smith MO Blue Springs 2023 SS -17.3 in
2 Reid Robinson MO Rockhurst 2025 OF -10.8 in
3 Collin Dobson MO Blue Springs South 2024 SS -8.0 in
4 Cooper Hudson MO William Chrisman 2024 RHP 7.7 in
5 Kona Hudson MO William Chrisman 2022 SS -7.1 in
6 Myles Chapman MO Blue Springs 2023 RHP -6.6 in
7 Caden Carter MO Lees Summit West 2024 OF -6.3 in
8 Milo Burton KS Olathe East 2026 RHP -5.5 in
9 Liam Liggett MO Blue Springs 2023 OF -5.2 in
10 Owen Lisk MO Blue Springs 2022 LHP -4.8 in

AVERAGE INDUCED VERTICAL BREAK

Rank Name State School Class Pos IVB (avg)
1 Gavin Smith MO Blue Springs 2023 SS -15.1 in
2 Reid Robinson MO Rockhurst 2025 OF -8.7 in
3 Cooper Hudson MO William Chrisman 2024 RHP 8.0 in
4 Kona Hudson MO William Chrisman 2022 SS -5.9 in
5 Caden Carter MO Lees Summit West 2024 OF -4.9 in
6 Jackson Rouse MO Raytown South 2022 RHP 3.8 in
7 Liam Liggett MO Blue Springs 2023 OF 3.3 in
8 Collin Dobson MO Blue Springs South 2024 SS -3.1 in
9 Slayde Jennerwein KS Olathe West 2023 MIF -3.1 in
10 Tommy Lapour MO Blue Springs South 2023 RHP -2.3 in

MAX HORIZONTAL BREAK

Rank Name State School Class Pos HM (max)
1 Milo Burton KS Olathe East 2026 RHP -16.1 in
2 Kona Hudson MO William Chrisman 2022 SS -15.5 in
3 Dylan Laughlin MO Grain Valley 2023 1B 13.2 in
4 Cooper Hudson MO William Chrisman 2024 RHP -12.8 in
5 Easton Roe MO Pleasant Hill 2023 1B 12.5 in
6 Owen Lisk MO Blue Springs 2022 LHP 9.4 in
7 Bayler Mobley MO Raymore-Peculiar 2023 2B -9.2 in
8 Slayde Jennerwein KS Olathe West 2023 MIF -8.8 in
9 Collin Dobson MO Blue Springs South 2024 SS -8.0 in
10 Gavin Smith MO Blue Springs 2023 SS -7.3 in

AVERAGE HORIZONTAL BREAK

Rank Name State School Class Pos HM (avg)
1 Kona Hudson MO William Chrisman 2022 SS -12.8
2 Dylan Laughlin MO Grain Valley 2023 1B 12.3
3 Cooper Hudson MO William Chrisman 2024 RHP -9.1
4 Owen Lisk MO Blue Springs 2022 LHP 7.5
5 Milo Burton KS Olathe East 2026 RHP -6.9
6 Bayler Mobley MO Raymore-Peculiar 2023 2B -6.7
7 Easton Roe MO Pleasant Hill 2023 1B 6.4
8 Jackson Rouse MO Raytown South 2022 RHP -5.2
9 Collin Dobson MO Blue Springs South 2024 SS -5.0
10 Liam Liggett MO Blue Springs 2023 OF 4.2

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