Prep Baseball Report
William Vosburg
William Vosburg
William Vosburg

CLASS OF 2028

C
2B

William
Vosburg

Hampton-Dumont (HS) • IA
5' 10" • 165LBS
R/R • 16yr 3mo
Travel Team: Iowa Sticks

Rankings

2028 National

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2028 State

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

Best Of Stats

Hitting
20.5
Hand Speed (max)
5/03/26
68.5
Bat Speed (max)
5/03/26
18.9
Rot. Acc (max)
5/03/26
14
Hard Hit %
5/03/26
Power
90.6
Exit Velocity (max)
5/03/26
79.1
Exit Velocity (avg)
5/03/26
251
Distance (max)
5/03/26
88
Sweet Spot %
10/22/23
Run
7.59
60-yd
5/03/26
4.23
30-yd
5/03/26
1.79
10-yd
5/03/26
18.3
Run speed (max)
5/03/26
Defense
69
INF Velo
10/22/23
75
OF Velo
10/20/24
76
C Velo
5/03/26
2.20 - 2.34
Pop Time
5/03/26
Pitching

Fastball

81
Velocity (max)
5/03/26
76.9 - 80.3
Velo Range
5/03/26
2101
Spin Rate (avg)
5/03/26

Changeup

71.3 - 73.3
Velo Range
5/03/26
1532
Spin Rate (avg)
5/03/26

Curveball

63 - 65.9
Velo Range
5/03/26
2033
Spin Rate (avg)
5/03/26

Slider

65.1 - 66.4
Velo Range
5/03/26
2016
Spin Rate (avg)
5/03/26

Positional Tools

2026
2025
2024
2023
60 Yard Dash
7.59
Pop Time
2.20 - 2.34
Catcher Velocity
76.0
Power / Speed Score
11.9
60 Yard Dash
7.99
Pop Time
2.51 - 2.57
Catcher Velocity
65.0
Power / Speed Score
10.1
60 Yard Dash
8.08
Outfield Velocity
75.0
Power / Speed Score
9.3
60 Yard Dash
8.78
Pop Time
2.71 - 2.88
Catcher Velocity
65.0
Infield Velocity
69.0
Power / Speed Score
8.1
IA Preseason ID - Central Iowa
May 3, 2026
Position
7.59
60-yard
2.20 - 2.34
Pop Time
76
C Velo
Prep Baseball IA Scout Day- IA Sticks
Aug 27, 2025
Position
7.99
60-yard
2.51 - 2.57
Pop Time
65
C Velo
Power Speed Score
IA Fall Review
Oct 20, 2024
Position
8.08
60-yard
75
OF Velo
Power Speed Score
PBR IA Rising Stars ID
Oct 22, 2023
Position
8.78
60-yard
2.71 - 2.88
Pop Time
69
INF Velo
65
C Velo
Power Speed Score

Hitting

2026
2025
2024
2023
Exit Velocity Max
90.6
Exit Velocity Avg
79.1
Distance Max
251
Distance Avg
104
Launch Angle Avg
5.3289
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Exit Velocity Max
81.0
Exit Velocity Avg
68.1
Distance Max
233
Distance Avg
131
Launch Angle Avg
16.6561
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Exit Velocity Max
75.1
Exit Velocity Avg
61.8
Distance Max
238
Distance Avg
106
Launch Angle Avg
12.7934
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Exit Velocity Max
71.5
Exit Velocity Avg
69.1
Distance Max
225
Distance Avg
169
Launch Angle Avg
17.5547
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
IA Preseason ID - Central Iowa
May 3, 2026
Trackman - Hitting
90.6
Exit Velocity (max)
79.1
Exit Velocity (avg)
104
Distance (avg)
251
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Prep Baseball IA Scout Day- IA Sticks
Aug 27, 2025
Trackman - Hitting
81.0
Exit Velocity (max)
68.1
Exit Velocity (avg)
131
Distance (avg)
233
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
IA Fall Review
Oct 20, 2024
Trackman - Hitting
75.1
Exit Velocity (max)
61.8
Exit Velocity (avg)
106
Distance (avg)
238
Distance (max)
Sweet Spot %
Fly Ball %
Ground Ball %
PBR IA Rising Stars ID
Oct 22, 2023
Trackman - Hitting
71.5
Exit Velocity (max)
69.1
Exit Velocity (avg)
169
Distance (avg)
225
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %

Hitting

2026
Hand Speed Max
20.5
Hand Speed Avg
19.8
Bat Speed Max
68.5
Bat Speed Avg
66.5
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
IA Preseason ID - Central Iowa
May 3, 2026
Blast - Hitting
20.5
Hand Speed (max)
19.8
Hand Speed (avg)
68.5
Bat Speed (max)
66.5
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency

Pitching

2026
2024
Fastball
Velocity Max
81.0
Fastball
Velocity Avg
78.6
Fastball
Spin Rate Avg
2101
Fastball
Spin Score Avg
26.7
Fastball
Total Movement Avg
Curveball
Velocity Avg
64.6
Curveball
Spin Rate Avg
2033
Curveball
Total Movement Avg
Changeup
Velocity Avg
72.3
Changeup
Spin Rate Avg
1532
Changeup
Total Movement Avg
Slider
Velocity Avg
65.7
Slider
Spin Rate Avg
2016
Slider
Total Movement Avg
Fastball
Velocity Max
73.5
Fastball
Velocity Avg
71.6
Fastball
Spin Rate Avg
2017
Fastball
Spin Score Avg
28.2
Fastball
Total Movement Avg
Curveball
Velocity Avg
64.5
Curveball
Spin Rate Avg
1738
Curveball
Total Movement Avg
Changeup
Velocity Avg
68.4
Changeup
Spin Rate Avg
1530
Changeup
Total Movement Avg
Slider
Velocity Avg
63.9
Slider
Spin Rate Avg
1900
Slider
Total Movement Avg
IA Preseason ID - Central Iowa
May 3, 2026
Trackman - Fastball
81.0
Velocity (max)
76.9 - 80.3
Velo Range
77.8
Eff Velocity (avg)
2,309
Spin Rate (max)
2,101
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
65.9
Velocity (max)
63.0 - 65.9
Velo Range
62.9
Eff Velocity (avg)
2,086
Spin Rate (max)
2,033
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
66.4
Velocity (max)
65.1 - 66.4
Velo Range
63.7
Eff Velocity (avg)
2,072
Spin Rate (max)
2,016
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
73.3
Velocity (max)
71.3 - 73.3
Velo Range
71.2
Eff Velocity (avg)
1,565
Spin Rate (max)
1,532
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
IA Fall Review
Oct 20, 2024
Trackman - Fastball
73.5
Velocity (max)
70.1 - 73.2
Velo Range
69.5
Eff Velocity (avg)
2,090
Spin Rate (max)
2,017
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
64.6
Velocity (max)
64.2 - 64.6
Velo Range
61.8
Eff Velocity (avg)
1,969
Spin Rate (max)
1,738
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
64.9
Velocity (max)
62.9 - 64.9
Velo Range
60.8
Eff Velocity (avg)
2,091
Spin Rate (max)
1,900
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - ChangeUp
69.3
Velocity (max)
67.4 - 69.3
Velo Range
66.0
Eff Velocity (avg)
1,564
Spin Rate (max)
1,530
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)

Pitch Scores

2026
2024
Fastball
Hop+
Fastball
Sink+
Fastball
Rise+
Fastball
Rise+
Curveball
Hammer+
Curveball
Sweep+
Slider
Hammer+
Slider
Sweep+
IA Preseason ID - Central Iowa
May 3, 2026
Pitch Scores - Fastball
Hop+
Rise+
Sink+
IA Fall Review
Oct 20, 2024
Pitch Scores - Fastball
Rise+
Pitch Scores - Curveball
Hammer+
Sweep+
Pitch Scores - Slider
Hammer+
Sweep+

Pitching Velos

2025
Fastball
Velocity Max
78.0
Fastball
Velocity Avg
75.0
Curveball
Velocity Avg
61.5
Changeup
Velocity Avg
67.5
Slider
Velocity Avg
62.5
Prep Baseball IA Scout Day- IA Sticks
Aug 27, 2025
Pitching
78
Max FB
72 - 78
FB
61 - 62
CB
66 - 69
CH
61 - 64
SL

Game Performance

2026
10 Yard Dash
1.79
30 Yard Dash
4.23
60 Yard Dash
7.59
Top Speed (MPH)
IA Preseason ID - Central Iowa
May 3, 2026
Vald
1.79
10-yd
4.23
30-yd
7.59
60-yd
18.3
Run speed (max)

Vizual Edge

Pitch Ai

Notes

News

Comments

10/20/24

Positional Profile: SS/RHP
Body: 5_5, 120-pounds.
Defense: RH. OF - 75 mph. Active feet, long release on throws, avg. routes and angles to field and throw in transition, overall accurate arm to target.
Hit: RHH. upright stance, lacks consistent rhythm, flat swing plane, spray contact off barrel to both sides of field.
Power: 75.10 mph max exit velocity per Trackman during BP.
Run: 8.08 runner in the 60. 

Delivery/Arm Action: RH. longer rocker step into crouched high knee balance point, active delivery with moving parts, lands inline with upper half out and over front leg, ¾ arm slot at release.
FB: T73.50, 70.1-73.2 mph.
CB: 64.60 mph.
SL: 64.90 mph.
CH: 69.30 mph.

10/22/23

Positional Profile: SS/C
Body: 5_5, 120-pounds.
Defense: 2.71-2.88 pop times. Mechanics showed lack of arm strength.  Infield, Aggressive mover to the baseball, footwork added to accommodate lack of arm strength.
Arm: RH. C - 65 mph. INF - 69 mph.
Hit: RHH.  Closed stance, with a bat path that works around the body.  Mostly line drive/fly ball contact pull side.   
Power: 71.50 mph max Trackman exit velocity in bp.
Run: 8.78 runner in the 60.

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