@jacob_oz128 
86
Velocity (max)
6/26/25
CLASS OF 2026
RHP
SS
JACOB
OSMANSKI
Sussex Hamilton (HS) • WI
5' 10" • 190LBS
R/R • 17yr 8mo
Travel Team: Knights baseball
5' 10" • 190LBSR/R • 17yr 8mo
Travel Team: Knights baseball
Rankings
2026 National
Rankings available to Premium Subscriber
2026 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
Fastball
82 - 84
Velo Range
6/26/25
2185
Spin Rate (avg)
7/31/25
Changeup
73 - 75
Velo Range
7/31/25
1899
Spin Rate (avg)
7/31/25
Curveball
71.6 - 74.1
Velo Range
7/31/25
1965
Spin Rate (avg)
7/31/25
Slider
73 - 75
Velo Range
6/26/25
-
Spin Rate (avg)
Positional Tools
Hitting
Hitting
Pitching
2025
Sign in to view rankings 
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
84.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
82.2
Fastball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
2185
Fastball
Spin Score Avg
The average Bauer Units value of all fastballs in the given event year. Bauer Units are calculated for each pitch by dividing Spin Rate by Velocity.
26.6
Fastball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
72.8
Curveball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1965
Curveball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
73.8
Changeup
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1899
Changeup
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Wisconsin State Games (Invite-Only)
Jul 31, 2025
Trackman - Fastball
84.0
Velocity (max)
81.2 - 83.1
Velo Range
80.3
Eff Velocity (avg)
2,322
Spin Rate (max)
2,185
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
74.6
Velocity (max)
71.6 - 74.1
Velo Range
70.4
Eff Velocity (avg)
2,071
Spin Rate (max)
1,965
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
74.7
Velocity (max)
73.3 - 74.5
Velo Range
71.6
Eff Velocity (avg)
1,983
Spin Rate (max)
1,899
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Pitch Scores
2025
Fastball
Hop+
A fastball with hop has a flat approach angle and visually jumps through the zone. When thrown up in the zone, it is more likely to generate a higher swing and miss average. Hop+ of 100 is MLB average.
Fastball
Sink+
A fastball with sink has low backspin and drops through the strike zone. When thrown down in the zone, it is more likely to generate a higher ground ball percentage and lower launch angle. Sink+ of 100 is MLB average.
Fastball
Rise+
A fastball with rise has a high percentage of backspin. When thrown up in the zone, it is more likely to generate a higher fly ball percentage. Rise+ of 100 is MLB average
Curveball
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Curveball
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
Pitching Velos
2025
2024
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
86.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
82.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
73.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
74.0
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
74.0
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
80.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
77.8
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
65.8
Game Performance
Vizual Edge
Pitch Ai
Notes
News
- Wisconsin State Games Player Analysis: Right-Handed Pitchers - Oct 9, 2025
- 2025 Wisconsin State Games: Pitching Data Dive - Aug 4, 2025
- WIAA Division 1 State Finals Preview - Jun 13, 2025
- Wisconsin Power 25: Update - May 19, 2025
- WIAA Diamond Notes: Week 5 - May 8, 2025
- PBT Illinois Open: Takeaways - Jun 26, 2024
Comments
Draft Reports
Contact
Premium Content Area
To unlock contact information, you need to purchase a ScoutPLUS subscription.
Purchase Subscription OR
Login
JACOB OSMANSKI, Sussex Hamilton (WI), 2026
Positional Profile: RHP/SS
Body: 5-10, 190-pounds. Broad-shouldered, athletic frame with strength present.
Delivery: Simple mover, small leg lift, drop/drive down the mound.
Arm Action: RH. Clean arm action, high 3/4 slot.
FB: T84, 81-83 mph. Plays straight, slight arm-side run, plays firm. T2322, 2185 average rpm.
CB: 72-74 mph. 11/5 shape, sharp action with depth. T2071, 1965 average rpm.
CH: 73-75 mph. Downer, arm-side fade. T1983, 1899 average rpm.
Uncommitted, Osmanski got the start on the bump against Brookfield Central. The right-hander tossed a complete game, seven innings, allowed just one run, eight hits, one walk, and six strikeouts.