Prep Baseball Report
Jonny Kievman
Jonny Kievman
Jonny Kievman
Jonny Kievman

CLASS OF 2028

SS
RHP

Jonny
Kievman

Norton (HS) • OH
6' 2" • 177LBS
L/R • 17yr 2mo
Travel Team: 2028 Ohio Scout
2028 National

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2028 State

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

Best Of Stats

Hitting
21.6
Hand Speed (max)
6/30/25
71.7
Bat Speed (max)
2/21/26
13.3
Rot. Acc (max)
2/21/26
25
Hard Hit %
8/01/25
Power
95.6
Exit Velocity (max)
2/21/26
85.5
Exit Velocity (avg)
2/21/26
350
Distance (max)
2/21/26
100
Sweet Spot %
2/21/26
Run
7.39
60-yd
2/21/26
4.07
30-yd
8/01/25
1.63
10-yd
8/01/25
18.3
Run speed (max)
6/30/25
Defense
82
INF Velo
8/01/25
-
OF Velo
-
C Velo
-
Pop Time
Pitching

Fastball

84
Velocity (max)
2/21/26
82 - 84
Velo Range
2/21/26
2403
Spin Rate (avg)
2/21/26

Changeup

74 - 75.3
Velo Range
2/21/26
1996
Spin Rate (avg)
2/21/26

Curveball

71 - 72
Velo Range
2/21/26
1986
Spin Rate (avg)
2/21/26

Positional Tools

2026
2025
2024
Infield Velocity
82.0
60 Yard Dash
7.95
Infield Velocity
82.0
Power / Speed Score
11.7
Infield Velocity
71.0

Hitting

2026
2025
2024
Exit Velocity Max
95.6
Exit Velocity Avg
85.5
Distance Max
350
Distance Avg
251
Launch Angle Avg
20.1878
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Exit Velocity Max
92.7
Exit Velocity Avg
82.3
Distance Max
308
Distance Avg
147
Launch Angle Avg
12.2843
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Exit Velocity Max
83.5
Exit Velocity Avg
72.6
Distance Max
273
Distance Avg
165
Launch Angle Avg
20.7256
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2026 Northern Ohio Preseason All-State (Invite-Only)
Feb 21, 2026
Trackman - Hitting
95.6
Exit Velocity (max)
85.5
Exit Velocity (avg)
251
Distance (avg)
350
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2025 Midwest Super Sophomore Games (Invite-Only)
Aug 1, 2025
Trackman - Hitting
92.7
Exit Velocity (max)
82.0
Exit Velocity (avg)
121
Distance (avg)
308
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2025 Ohio Underclass Games - 1 (Invite Only)
Jun 30, 2025
Trackman - Hitting
90.2
Exit Velocity (max)
85.0
Exit Velocity (avg)
179
Distance (avg)
301
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2025 Northern Ohio Preseason All-State (Invite-Only)
Jan 19, 2025
Trackman - Hitting
87.5
Exit Velocity (max)
77.2
Exit Velocity (avg)
129
Distance (avg)
265
Distance (max)
Fly Ball %
Ground Ball %
Junior Future Games (Class of 2028/29)
Jul 24, 2024
Trackman - Hitting
83.5
Exit Velocity (max)
73.3
Exit Velocity (avg)
168
Distance (avg)
231
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2024 Ohio Junior State Games - Class of 2028 (Invite Only)
Jul 1, 2024
Trackman - Hitting
82.4
Exit Velocity (max)
72.2
Exit Velocity (avg)
164
Distance (avg)
273
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %

Hitting

2026
2025
2024
Hand Speed Max
21.3
Hand Speed Avg
20.4
Bat Speed Max
71.7
Bat Speed Avg
68.9
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
Hand Speed Max
21.6
Hand Speed Avg
19.4
Bat Speed Max
69.8
Bat Speed Avg
64.4
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
Hand Speed Max
20.2
Hand Speed Avg
19.0
Bat Speed Max
67.9
Bat Speed Avg
64.6
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
2026 Northern Ohio Preseason All-State (Invite-Only)
Feb 21, 2026
Blast - Hitting
21.3
Hand Speed (max)
20.4
Hand Speed (avg)
71.7
Bat Speed (max)
68.9
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2025 Ohio Underclass Games - 1 (Invite Only)
Jun 30, 2025
Blast - Hitting
21.6
Hand Speed (max)
20.4
Hand Speed (avg)
69.8
Bat Speed (max)
67.4
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2025 Northern Ohio Preseason All-State (Invite-Only)
Jan 19, 2025
Blast - Hitting
19.5
Hand Speed (max)
18.6
Hand Speed (avg)
65.9
Bat Speed (max)
61.9
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Junior Future Games (Class of 2028/29)
Jul 24, 2024
Blast - Hitting
19.9
Hand Speed (max)
19.2
Hand Speed (avg)
67.9
Bat Speed (max)
66.0
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2024 Ohio Junior State Games - Class of 2028 (Invite Only)
Jul 1, 2024
Blast - Hitting
20.2
Hand Speed (max)
18.6
Hand Speed (avg)
67.0
Bat Speed (max)
62.7
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency

Pitching

2026
2025
2024
Fastball
Velocity Max
84.0
Fastball
Velocity Avg
83.1
Fastball
Spin Rate Avg
2403
Fastball
Spin Score Avg
28.9
Fastball
Total Movement Avg
Curveball
Velocity Avg
71.2
Curveball
Spin Rate Avg
1986
Curveball
Total Movement Avg
Splitter
Velocity Avg
74.6
Splitter
Spin Rate Avg
1996
Splitter
Total Movement Avg
Fastball
Velocity Max
82.6
Fastball
Velocity Avg
80.1
Fastball
Spin Rate Avg
2175
Fastball
Spin Score Avg
27.2
Fastball
Total Movement Avg
Curveball
Velocity Avg
69.0
Curveball
Spin Rate Avg
1735
Curveball
Total Movement Avg
Cutter
Velocity Avg
71.1
Cutter
Spin Rate Avg
2051
Cutter
Total Movement Avg
Splitter
Velocity Avg
66.9
Splitter
Spin Rate Avg
975
Splitter
Total Movement Avg
Fastball
Velocity Max
76.4
Fastball
Velocity Avg
75.4
Fastball
Spin Rate Avg
2205
Fastball
Spin Score Avg
29.3
Fastball
Total Movement Avg
2026 Northern Ohio Preseason All-State (Invite-Only)
Feb 21, 2026
Trackman - Fastball
84.0
Velocity (max)
82.4 - 83.8
Velo Range
80.9
Eff Velocity (avg)
2,494
Spin Rate (max)
2,403
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Curveball
71.9
Velocity (max)
70.6 - 71.9
Velo Range
69.0
Eff Velocity (avg)
2,054
Spin Rate (max)
1,986
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Splitter
75.3
Velocity (max)
74.0 - 75.3
Velo Range
72.8
Eff Velocity (avg)
1,940
Spin Rate (max)
1,996
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
2025 Midwest Super Sophomore Games (Invite-Only)
Aug 1, 2025
Trackman - Fastball
82.4
Velocity (max)
79.1 - 81.1
Velo Range
79.4
Eff Velocity (avg)
2,413
Spin Rate (max)
2,149
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Curveball
67.1
Velocity (max)
1,456
Spin Rate (max)
1,456
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
2025 Ohio Underclass Games - 1 (Invite Only)
Jun 30, 2025
Trackman - Fastball
82.6
Velocity (max)
79.9 - 81.6
Velo Range
79.7
Eff Velocity (avg)
2,348
Spin Rate (max)
2,217
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Curveball
71.2
Velocity (max)
67.7 - 71.2
Velo Range
68.3
Eff Velocity (avg)
1,909
Spin Rate (max)
1,805
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
2025 Northern Ohio Preseason All-State (Invite-Only)
Jan 19, 2025
Trackman - Fastball
79.3
Velocity (max)
77.5 - 78.9
Velo Range
78.6
Eff Velocity (avg)
2,290
Spin Rate (max)
2,195
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Splitter
69.8
Velocity (max)
65.2 - 69.0
Velo Range
66.3
Eff Velocity (avg)
955
Spin Rate (max)
975
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Cutter
73.2
Velocity (max)
69.0 - 73.1
Velo Range
70.8
Eff Velocity (avg)
2,088
Spin Rate (max)
2,051
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Junior Future Games (Class of 2028/29)
Jul 24, 2024
Trackman - Fastball
76.4
Velocity (max)
74.8 - 76.0
Velo Range
73.1
Eff Velocity (avg)
2,284
Spin Rate (max)
2,205
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %

Pitch Scores

2026
2025
Fastball
Hop+
Fastball
Sink+
Fastball
Rise+
Fastball
Hop+
Fastball
Sink+
Fastball
Rise+
Curveball
Hammer+
Curveball
Sweep+
2025 Ohio Underclass Games - 1 (Invite Only)
Jun 30, 2025
Pitch Scores - Fastball
Hop+
Rise+
Sink+
Pitch Scores - Curveball
Hammer+
Sweep+

Pitching Velos

2026
2025
2024
2023
Fastball
Velocity Max
84.0
Fastball
Velocity Avg
83.0
Curveball
Velocity Avg
71.5
Fastball
Velocity Max
83.0
Fastball
Velocity Avg
79.8
Curveball
Velocity Avg
69.5
Fastball
Velocity Max
76.0
Fastball
Velocity Avg
74.5
Fastball
Velocity Max
68.0
Fastball
Velocity Avg
67.0
Changeup
Velocity Avg
55.0

Game Performance

2024
10 Yard Dash
1.85
30 Yard Dash
4.31
60 Yard Dash
7.83
Top Speed (MPH)
RSi
Vertical Jump
Junior Future Games (Class of 2028/29)
Jul 24, 2024
Swift
1.85
10-yd
4.31
30-yd
7.83
60-yd
17.4
Run speed (max)
2.12
RSI (max)
23.4
Jump Height (max)
2026
2025
10 Yard Dash
1.69
60 Yard Dash
7.39
10 Yard Dash
1.63
30 Yard Dash
4.07
60 Yard Dash
7.45
Top Speed (MPH)
RSI
Vertical Jump
2025 Midwest Super Sophomore Games (Invite-Only)
Aug 1, 2025
Vald
1.63
10-yd
4.07
30-yd
7.51
60-yd
17.8
Run speed (max)
1.23
RSI (max)
20.5
Jump Height (max)
2025 Ohio Underclass Games - 1 (Invite Only)
Jun 30, 2025
Vald
1.76
10-yd
4.10
30-yd
7.45
60-yd
18.3
Run speed (max)
2025 Northern Ohio Preseason All-State (Invite-Only)
Jan 19, 2025
Vald
1.89
10-yd
4.42
30-yd
7.95
60-yd
17.4
Run speed (max)
1.26
RSI (max)
21.5
Jump Height (max)

Vizual Edge

2025
Edge Score
62.81

Pitch Ai

Notes

Comments

2/21/26
Jonny Kievman, Norton (OH), 2028

Positional Profile: SS/RHP
Body: 6-2, 177-pounds. Athletic frame with strength developing.
Hit: LHH. Loose stroke with lift traits.
Power: 96 max exit velocity, averaged 85.5 mph. 350 foot max distance.
Arm: RH. INF 82 mph.
Delivery: Balanced mover with steady direction.
Arm Action: RH. Clean path.
FB: 82-84 T84. 2403 rpm avg, 17.3 IVB avg, 6.6 HM avg.
CB: 71-72 T72. 1986 rpm avg, 4.7 IVB avg, -3.4 HM avg.
6/30/25
Jonny Kievman, Norton (OH), 2028
Positional Profile: SS/RHP
Body: 6-0, 155-pounds.
Arm Action: RH
FB: T83, 80-82 mph. T2348, 2217 average rpm.
CB: 68-71 mph. T1909, 1805 average rpm.
ATH: 7.45 runner in the 60. 1.76 and 4.10 in the 10 and 30 yard splits.
6/30/25
Jonny Kievman, Norton (OH), 2028
Positional Profile: SS/RHP
Body: 6-0, 155-pounds.
Hit: LHH
Power: 90 max exit velocity, averaged 85.0 mph. 301' max distance.
Arm: RH. INF-80 mph.
ATH: 7.45 runner in the 60. 1.76 and 4.10 in the 10 and 30 yard splits.
1/19/25
Jonny Kievman, Norton (OH), 2028
Positional Profile: SS/RHP
Body: 6-0, 155-pounds. Athletic build, longer leverage points with some size
Delivery: Stretch, torso constricts with a moderate leg kick, Some arm speed
Arm Action: RH. compact 3/4 slot
FB: T79, 78-79 mph. Promising FB shows a lot of room for growth T2290, 2195 average rpm.
CUT: 69-73 mph. Average cutter
SPLT: 65-69 mph. Showed consistent depth, slows delivery out of the hand
ATH: 7.95 runner in the 60. 1.89 and 4.42 in the 10 and 30 yard splits. 21.50 max vertical.
1/19/25
Jonny Kievman, Norton (OH), 2028
Positional Profile: SS/RHP
Body: 6-0, 155-pounds. Athletic build, longer leverage points with some size
Hit: LHH. Wide, balanced setup, short stride, torques barrel pre pitch Sinks into back half with good rotation, barrel plays east/west 61.9 mph bat speed with 8 G's of rotational acceleration.
Power: 87 max exit velocity, averaged 77.2 mph. 265' max distance.
Arm: RH. INF-73 mph. Moderate arm strength, compact low 3/4 slot
Defense: Good footspeed, positons well, solid hands
ATH: 7.95 runner in the 60. 1.89 and 4.42 in the 10 and 30 yard splits. 21.50 max vertical.
7/01/24
Jonny Kievman, Norton High School (OH), 2028
Positional Profile: SS/OF
Body: 5-11, 147-pounds.
Hit: LHH
Power: 82 max exit velocity, averaged 72.2 mph. 273' max distance.
Arm: RH. INF-71 mph.

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Physical

2024
Grip Strgth (LH)
Grip Strgth (RH)