Prep Baseball Report

MoKan Summer Open: Trackman Fastball 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 fastball metrics and data collected by Trackman during their bullpen sessions.

Denton Biller posted the top fastball velocity at 87.23 mph to go along with the top spin metrics on the fastball at 2399 rpm.  Tommy Lapour came in at 86.58 mph with spin rates up to 2099 rpm.  Cooper Hudson posted the top fastball in the 2024 class at 83.32 mph with Reid Robinson posting the firmest fastball in the 2025 class at 78.73 mph.

Collin Dobson had the second highest spinning fastball at the event at highest in the 2024 class at 2318 rpm.  Cooper Hudson matched his 83 mph fastball with a 2281 rpm spin rate.  2023 Myles Chapman had the highest induced vertical break at the event and in the 2023 class at 25 inches of vertical break giving the fastball some serious riding life through the zone.  Slayde Jennerwein came in right behind him posting his own impressive 24.4 inches of vertical break with Gavin Smith coming in at 23.3 inches.

2025 grad Reid Robinson had the most horizontal break on the fastball at 18.9 inches of break.  Cooper Hudson was right behind him at 17.9 inches of horizontal movement leading the way in the 2024 class.  Caden Carter ran his fastball at 17.3 inches of horizontal break coming from the left side.  Kona Hudson posted the most horizontal break in the 2022 class at 14.3 inches.

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

MAX VELO

Rank Name State School Class Pos Velocity (max)
1 Denton Biller MO Mid Buchanan 2023 RHP 87.2 mph
2 Tommy Lapour MO Blue Springs South 2023 RHP 86.6 mph
3 Cooper Hudson MO William Chrisman 2024 RHP 83.3 mph
4 Myles Chapman MO Blue Springs 2023 RHP 83.1 mph
5 Collin Dobson MO Blue Springs South 2024 SS 81.8 mph
6 Easton Roe MO Pleasant Hill 2023 1B 79.5 mph
7 Reid Robinson MO Rockhurst 2025 OF 78.7 mph
8 Gavin Smith MO Blue Springs 2023 SS 77.5 mph
9 Bayler Mobley MO Raymore-Peculiar 2023 2B 76.7 mph
10 Jackson Rouse MO Raytown South 2022 RHP 76.5 mph

VELO RANGE

Rank Name State School Class Pos Velo Range
1 Denton Biller MO Mid Buchanan 2023 RHP 85.1-87.2 mph
2 Tommy Lapour MO Blue Springs South 2023 RHP 85.4-86.2 mph
3 Myles Chapman MO Blue Springs 2023 RHP 80.0-83.1 mph
4 Cooper Hudson MO William Chrisman 2024 RHP 81.6-82.7 mph
5 Collin Dobson MO Blue Springs South 2024 SS 80.1-81.4 mph
6 Easton Roe MO Pleasant Hill 2023 1B 77.5-79.0 mph
7 Reid Robinson MO Rockhurst 2025 OF 77.0-78.2 mph
8 Gavin Smith MO Blue Springs 2023 SS 75.5-77.1 mph
9 Jackson Rouse MO Raytown South 2022 RHP 75.0-76.3 mph
10 Bayler Mobley MO Raymore-Peculiar 2023 2B 74.1-75.9 mph

PEAK SPIN RATES

Rank Name State School Class Pos Spin Rate (max)
1 Denton Biller MO Mid Buchanan 2023 RHP 2399 rpm
2 Collin Dobson MO Blue Springs South 2024 SS 2318 rpm
3 Cooper Hudson MO William Chrisman 2024 RHP 2281 rpm
4 Caden Carter MO Lees Summit West 2024 OF 2260 rpm
5 Myles Chapman MO Blue Springs 2023 RHP 2234 rpm
6 Gavin Smith MO Blue Springs 2023 SS 2225 rpm
7 Bayler Mobley MO Raymore-Peculiar 2023 2B 2099 rpm
8 Tommy Lapour MO Blue Springs South 2023 RHP 2099 rpm
9 Owen Lisk MO Blue Springs 2022 LHP 1987 rpm
10 Jackson Rouse MO Raytown South 2022 RHP 1987 rpm

AVERAGE SPIN RATES

Rank Name State School Class Pos Spin Rate (avg)
1 Denton Biller MO Mid Buchanan 2023 RHP 2362 rpm
2 Collin Dobson MO Blue Springs South 2024 SS 2214 rpm
3 Cooper Hudson MO William Chrisman 2024 RHP 2178 rpm
4 Caden Carter MO Lees Summit West 2024 OF 2125 rpm
5 Gavin Smith MO Blue Springs 2023 SS 2104 rpm
6 Tommy Lapour MO Blue Springs South 2023 RHP 2047 rpm
7 Myles Chapman MO Blue Springs 2023 RHP 2024 rpm
8 Bayler Mobley MO Raymore-Peculiar 2023 2B 2010 rpm
9 Owen Lisk MO Blue Springs 2022 LHP 1918 rpm
10 Jackson Rouse MO Raytown South 2022 RHP 1883 rpm

MAX INDUCED VERTICAL BREAK

Rank Name State School Class Pos IVB (max)
1 Myles Chapman MO Blue Springs 2023 RHP 25.0 in
2 Slayde Jennerwein KS Olathe West 2023 MIF 24.4 in
3 Gavin Smith MO Blue Springs 2023 SS 23.3 in
4 Cooper Hudson MO William Chrisman 2024 RHP 21.0 in
5 Jackson Rouse MO Raytown South 2022 RHP 20.9 in
6 Caden Carter MO Lees Summit West 2024 OF 20.2 in
7 Ethan Veach MO Platte County 2023 RHP 19.7 in
8 Denton Biller MO Mid Buchanan 2023 RHP 19.2 in
9 Tommy Lapour MO Blue Springs South 2023 RHP 19.0 in
10 Liam Liggett MO Blue Springs 2023 OF 18.9 in

AVERAGE INDUCED VERTICAL BREAK

Rank Name State School Class Pos IVB (avg)
1 Gavin Smith MO Blue Springs 2023 SS 21.4 in
2 Slayde Jennerwein KS Olathe West 2023 MIF 20.3 in
3 Jackson Rouse MO Raytown South 2022 RHP 19.6 in
4 Denton Biller MO Mid Buchanan 2023 RHP 17.9 in
5 Cooper Hudson MO William Chrisman 2024 RHP 17.6 in
6 Ethan Veach MO Platte County 2023 RHP 17.1 in
7 Caden Carter MO Lees Summit West 2024 OF 17.1 in
8 Dylan Laughlin MO Grain Valley 2023 1B 16.9 in
9 Tommy Lapour MO Blue Springs South 2023 RHP 16.0 in
10 Milo Burton KS Olathe East 2026 RHP 15.7 in

MAX HORIZONTAL BREAK

Rank Name State School Class Pos HM (max)
1 Reid Robinson MO Rockhurst 2025 OF 18.9 in
2 Cooper Hudson MO William Chrisman 2024 RHP 17.9 in
3 Caden Carter MO Lees Summit West 2024 OF -17.3 in
4 Myles Chapman MO Blue Springs 2023 RHP 15.6 in
5 Easton Roe MO Pleasant Hill 2023 1B -15.1 in
6 Tommy Lapour MO Blue Springs South 2023 RHP 14.6 in
7 Kona Hudson MO William Chrisman 2022 SS 14.3 in
8 Slayde Jennerwein KS Olathe West 2023 MIF 14.1 in
9 Bayler Mobley MO Raymore-Peculiar 2023 2B 13.5 in
10 Collin Dobson MO Blue Springs South 2024 SS 12.9 in

AVERAGE HORIZONTAL BREAK

Rank Name State School Class Pos HM (avg)
1 Reid Robinson MO Rockhurst 2025 OF 17.5
2 Cooper Hudson MO William Chrisman 2024 RHP 14.4
3 Myles Chapman MO Blue Springs 2023 RHP 14.0
4 Easton Roe MO Pleasant Hill 2023 1B -12.8
5 Caden Carter MO Lees Summit West 2024 OF -12.6
6 Slayde Jennerwein KS Olathe West 2023 MIF 12.2
7 Dylan Laughlin MO Grain Valley 2023 1B -11.6
8 Tommy Lapour MO Blue Springs South 2023 RHP 10.7
9 Collin Dobson MO Blue Springs South 2024 SS 9.7
10 Denton Biller MO Mid Buchanan 2023 RHP 9.4

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