Prep Baseball Report

CLASS OF 2025

RHP
SS

KJ
Stronks

Holy Trinity (HS) • ON
6' 2" • 145LBS
L/R • 16yr 11mo
Travel Team: Ontario Nationals

Rankings

2025 National

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2025 State

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Best of Snapshot
Positional Tools Velos / Pop
TrackMan Hitting
Blast
TrackMan Pitching
Pitch Scores
Pitching Velos
Swift
News
Comments
Contact

Best Of Stats

Pitching

Fastball

80.4
Velocity (max)
9/16/23
79 - 80.2
Velo Range
9/16/23
2159
Spin Rate (avg)
4/07/23

Changeup

69.4 - 70
Velo Range
4/07/23
1586
Spin Rate (avg)
4/07/23

Curveball

62 - 64
Velo Range
2/18/22
-
Spin Rate (avg)

Slider

63 - 66
Velo Range
9/25/22
2218
Spin Rate (avg)
4/07/23
Power
83.7
Exit Velocity (max)
9/16/23
77.3
Exit Velocity (avg)
9/16/23
266
Distance (max)
9/16/23
38
Sweet Spot %
9/25/22
Hitting
20.2
Hand Speed (max)
2/18/22
56.4
Bat Speed (max)
2/18/22
10.8
Rot. Acc (max)
2/18/22
-
Hard Hit %
Run
7.84
60
9/16/23
4.35
30-yd
9/16/23
1.88
10-yd
9/16/23
17.6
Run speed (max)
9/16/23
Defense
82
INF Velo
9/16/23
-
OF Velo
-
C Velo
-
Pop Time

Positional Tools

2023
2022
2019
Infield Velocity
82.0
60 Yard Dash
7.94
Infield Velocity
80.0
Power / Speed Score
10.1
Infield Velocity
60.0
2023 Ontario Nationals Scout Day
Sep 16, 2023
Position
82
INF Velo
Power Speed Score
2022 Future Games Frenzy
Jun 29, 2022
Position
7.94
60-yard
73
INF Velo
77
Exit Velo
Power Speed Score
Junior Future Games 2.16.19
Feb 16, 2019
Position
60
INF Velo
58
Exit Velo

Hitting

2023
2022
Exit Velocity Max
83.7
Exit Velocity Avg
77.3
Distance Max
266
Distance Avg
110
Launch Angle Avg
5.5
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Exit Velocity Max
80.5
Exit Velocity Avg
69.2
Distance Max
227
Distance Avg
118
Launch Angle Avg
13.0
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2023 Ontario Nationals Scout Day
Sep 16, 2023
Trackman - Hitting
83.7
Exit Velocity (max)
77.3
Exit Velocity (avg)
110
Distance (avg)
266
Distance (max)
Sweet Spot %
Line Drive %
Ground Ball %
2022 Ontario Nationals Scout Day
Sep 25, 2022
Trackman - Hitting
80.5
Exit Velocity (max)
70.5
Exit Velocity (avg)
113
Distance (avg)
190
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2022 Future Games Frenzy
Jun 29, 2022
Trackman - Hitting
77.0
Exit Velocity (max)
68.1
Exit Velocity (avg)
123
Distance (avg)
227
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %

Hitting

2022
Hand Speed Max
20.2
Hand Speed Avg
17.8
Bat Speed Max
56.4
Bat Speed Avg
53.6
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
Junior Future Game Trials (SOLD OUT)
Feb 18, 2022
Blast - Hitting
20.2
Hand Speed (max)
17.8
Hand Speed (avg)
56.4
Bat Speed (max)
53.6
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency

Pitching

2023
2022
Fastball
Velocity Max
80.4
Fastball
Velocity Avg
79.6
Fastball
Spin Rate Avg
2148
Fastball
Spin Score Avg
27.0
Fastball
Total Movement Avg
Changeup
Velocity Avg
69.1
Changeup
Spin Rate Avg
1574
Changeup
Total Movement Avg
Slider
Velocity Avg
63.9
Slider
Spin Rate Avg
2087
Slider
Total Movement Avg
Fastball
Velocity Max
77.8
Fastball
Velocity Avg
76.2
Fastball
Spin Rate Avg
1894
Fastball
Spin Score Avg
24.8
Fastball
Total Movement Avg
Changeup
Velocity Avg
67.1
Changeup
Spin Rate Avg
1290
Changeup
Total Movement Avg
Slider
Velocity Avg
64.0
Slider
Spin Rate Avg
2020
Slider
Total Movement Avg
2023 Ontario Nationals Scout Day
Sep 16, 2023
Trackman - Fastball
80.4
Velocity (max)
79.0 - 80.2
Velo Range
79.4
Eff Velocity (avg)
2,260
Spin Rate (max)
2,140
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Slider
65.2
Velocity (max)
62.9 - 65.0
Velo Range
63.2
Eff Velocity (avg)
2,063
Spin Rate (max)
2,022
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - ChangeUp
68.9
Velocity (max)
68.3 - 68.8
Velo Range
68.2
Eff Velocity (avg)
1,644
Spin Rate (max)
1,561
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
2023 Spring Future Games Trials
Apr 7, 2023
Trackman - Fastball
80.2
Velocity (max)
79.2 - 80.0
Velo Range
77.7
Eff Velocity (avg)
2,220
Spin Rate (max)
2,159
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Slider
64.4
Velocity (max)
63.2 - 64.4
Velo Range
61.5
Eff Velocity (avg)
2,277
Spin Rate (max)
2,218
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - ChangeUp
70.0
Velocity (max)
69.4 - 70.0
Velo Range
67.7
Eff Velocity (avg)
1,647
Spin Rate (max)
1,586
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
2022 Ontario Nationals Scout Day
Sep 25, 2022
Trackman - Fastball
77.8
Velocity (max)
76.9 - 77.8
Velo Range
2,070
Spin Rate (max)
1,959
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Slider
66.1
Velocity (max)
63.7 - 65.9
Velo Range
63.8
Eff Velocity (avg)
2,167
Spin Rate (max)
2,124
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
67.7
Velocity (max)
66.5 - 67.7
Velo Range
64.5
Eff Velocity (avg)
1,353
Spin Rate (max)
1,290
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
2022 Future Games Frenzy
Jun 29, 2022
Trackman - Fastball
76.5
Velocity (max)
74.5 - 76.0
Velo Range
71.9
Eff Velocity (avg)
1,919
Spin Rate (max)
1,839
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Slider
63.2
Velocity (max)
62.0 - 63.2
Velo Range
59.3
Eff Velocity (avg)
1,901
Spin Rate (max)
1,847
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %

Pitch Scores

2023
Fastball
Hop+
Fastball
Sink+
Fastball
Rise+
Slider
Hammer+
Slider
Sweep+
2023 Ontario Nationals Scout Day
Sep 16, 2023
Pitch Scores - Fastball
Hop+
Rise+
Sink+
Pitch Scores - Slider
Hammer+
Sweep+
2023 Spring Future Games Trials
Apr 7, 2023
Pitch Scores - Fastball
Hop+
Rise+
Sink+

Pitching Velos

2022
2019
Fastball
Velocity Max
77.0
Fastball
Velocity Avg
75.5
Changeup
Velocity Avg
65.8
Slider
Velocity Avg
63.5
Fastball
Velocity Max
61.0
Fastball
Velocity Avg
59.0
Changeup
Velocity Avg
51.0
2022 Ontario Nationals Scout Day
Sep 25, 2022
Pitching
77
Max FB
76 - 77
FB
66 - 67
CH
63 - 66
SL
2022 Future Games Frenzy
Jun 29, 2022
Pitching
76
Max FB
74 - 75
FB
62 - 63
SL
Junior Future Game Trials (SOLD OUT)
Feb 18, 2022
Pitching
77
Max FB
75 - 76
FB
62 - 64
CB
64 - 66
CH
Junior Future Games 2.16.19
Feb 16, 2019
Pitching
61
Max FB
57 - 61
FB
51 - 51
CH

Game Performance

2024
2023
2022
10 Yard Dash
1.88
30 Yard Dash
4.35
60 Yard Dash
7.84
Top Speed (MPH)
Vertical Jump
10 Yard Dash
1.88
30 Yard Dash
4.35
60 Yard Dash
7.84
Top Speed (MPH)
RSi
Vertical Jump
2023 Ontario Nationals Scout Day
Sep 16, 2023
Swift
1.88
10-yd
4.35
30-yd
7.84
60-yd
17.6
Run speed (max)
2022 Ontario Nationals Scout Day
Sep 25, 2022
Swift
1.74
RSi (max)
1.74
RSi (avg)
926
Jump Power (max)
21.7
Jump Height (max)
21.3
Jump Height (avg)
2022 Future Games Frenzy
Jun 29, 2022
Swift
1.50
RSi (max)
1.50
RSi (avg)
963
Jump Power (max)
22.4
Jump Height (max)
22.3
Jump Height (avg)

Visual Edge

Pitch Ai

Notes

Comments

9/26/22

2026 RHP/SS KJ Stronks jumped to our staff at the Jr Future Games Trials in February with his actions on the infield and he was no doubt one of the top underclassmen again. Stronks started his day with a strong showing on the infield where his actions, footwork and arm strength set him apart. The arm translates to the mound where he sat 76-77 with the fastball and worked with a sharp slider that had high spin for his age, along with 13.9 inches of vertical break. Still young with lots of development to come but the 6-foot-1, 145-pound prospect has lots to like on the mound.

2/18/22

Stronks, 6-foot-1, 135-pounds, impressed as a 2-way talent at the JFG Trials. Defensively, he is a slick-fielder with soft hands with athletic actions in the field. He was sure handed, and finished with a 71 INF velo. At the dish, Stronks showed bat on ball ability and kept his bat on plane throughout his swing. On the mound, Stronks attacked the zone with all 3 pitches. The long, lengthy RHP topped at 77 mph with his fastball, spun his curveball in at 62-64 mph, and had some nice fade on his 64-66 mph changeup. Stronks is a very intriguing 2025 grad prospect.

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